Don Trastmi is a respected investment consultant, but with a bit of a pessimistic attitude. He always projects correctly when the stock market goes down, but he is right only 6 out of 10 times when the market goes up. Don projects that next week the market will go up. What is the probability that the market will indeed go up

Answers

Answer 1

Answer:

The answer is "[tex]\bold{\frac{6}{10}}[/tex]"

Step-by-step explanation:

[tex]\to p(\frac{\text{Market is falling}}{\text{The expected demand is fall Don}}) =1\\\\\to p(\frac{\text{Market is falling}}{\text{The expected demand is rising Don}}) =0.6[/tex]

That's why the answer is [tex]\to \frac{6}{10}[/tex]


Related Questions

I will give brainiest.

Answers

Answer:

the third one is the answer

An individual is presented with three different glasses of cola, labeled C, D, and P. He is asked to taste all three and then list them in order of preference. Suppose the same cola has actually been put into all three glasses. What is the probability that C is ranked first and D is ranked last?

Answers

Answer and explanation:

Probability = number of favorable outcomes/ total number of outcomes

Since all glasses labelled C, D, and P are all same Cola

Probability that C is ranked first = 1/3

Probability that D is ranked last = 1/3

Y-21<85 help me pls
I don’t get this stuff lol

Answers

Answer:

it is y<106

Step-by-step explanation:

remember to add 85 and 21 together :)

2.5% of what number is 14?

Answers

Answer: 560

Step-by-step explanation:     2.5 percent (calculated percentage %) of what number equals 14? Answer: 560.

The unknown number will be; 560.

How to find the percentage from the total value?

Suppose the value of which a thing is expressed in percentage is "a'

Suppose the percent considered thing is of "a" is b%. Then the percent shows per 100 (since cent means 100).

a x b/100 = a x b%

WE need to find the 2.5% of unknown number is 14.

Let the unknown number be x

Then;

2.5% of x = 14.

Simplify;

2.5/100 × x = 14

0.0025 × x = 14

x = 14/0.0025

x = 560

Hence, the  unknown number will be; 560.

Learn more about percent here:

https://brainly.com/question/11549320

#SPJ2

A statistics student has a mean score of 92 in the first 3 tests. Suppose there are a total of 4 tests and all of them have equal weight. You can also assume that there is no extra credit in the last test. What is the best possible final average this student can get

Answers

Answer:

The best possible final average this student can get is 94.

Step-by-step explanation:

The average score is given by the sum of the scores of all tests divided by the number of tests.

In this question:

First three tests: Mean score of 92, so total score of 92*3 = 276

Best possible score, with 4 tests:

In the first three, the total is 276. The best possible score is with a grade of 100 in the fourth test. The score will be:

[tex]M = \frac{276+100}{4} = \frac{376}{4} = 94[/tex]

The best possible final average this student can get is 94.

A school’s math department has money to spend on calculators. It uses the equation y = 1,000 – 80x to determine how much money is left in the account to spend on calculators, where x represents the number of calculators purchased. What is the meaning of the slope of the equation?


A. Each calculator costs $1,000.


B. The account had $1,000 before buying calculators.


C. Each calculator costs $80.


D. The account had $80 before buying calculators.

Answers

Answer:

C. Each calculator costs $80.

Step-by-step explanation:

Linear equation:

Has the following format:

[tex]y = mx + b[/tex]

In which m is the slope, and the meaning is how much the output changes when the input changes by 1 unit.

In this question:

Amount remaining after buying x calculators:

[tex]y = 1000 - 80x[/tex]

So the slope of -80 means that each calculator costs $80, since after buying a calculator, 80 is retired from the amount.

The answer is given by option C.

help i don’t know how to do this

Answers

Answer: E and F

Step-by-step explanation:

really long story, but those two are the correct answers. hope this helps! :)

E and F is the correct mathematical answer thou shall not challenge it

If f4y 3 = 6y + 9, what is the value of 7y?

Answers

Answer:

-3-6y=9

Step-by-step explanation:

The answer is y = -1

1) All cars are blue. (2) All pigs have wings. Therefore, (3) All buses have three wheels. Question 2 options: Passes the true premises test and passes the proper form test. Passes the true premises test and fails the proper form test. Fails the true premises test and passes the proper form test. Fails the true premises test and fails the proper form test. None of the above.

Answers

Answer:

Fails the true premises test and fails the proper form test

Explanation:

A valid argument must pass the true premises test and the proper form test.

True premises test checks to see if what the premises is saying is true about the world, example- pigs do not have wings and so the argument fails the true premises test. Proper form test assumes the premises is true and then checks to see if a valid conclusion was drawn based on the premises(even though it might fail the true premises test and may not be true about the world)

In the first quadrant you start at (6, 10) and move 6 units right and 4 units down what point will you end up with

Answers

Answer:

(12,6)

Step-by-step explanation:

If you move 6 units right, you get to (12,10). Moving 4 units down takes you to (12,6).

It would be 12,6 I believe

This 3rd and 2nd grade lvl paper

Answers

Answer:

This is the

Step-by-step explanation:

This is te changes of the eart

Across

2: Transpiration

3: Atmosphere

5: Potential

6: Precipitation

7: Condensation

Down

1: Evaporation

4: Condensation

(4,9) (2,6) (0,3) y intercept please ​

Answers

Hi there!

Hope this helps!

The two trapezoids below are similar. What is the length of EF

Answers

The two trips episodes below are similar what is the length to EF2 +2 is 4-1 that’s three quick maths

Answer:

answer is 6

Step-by-step explanation:

i know answer is 2 weeks late

A man borrowed $3500 from a bank for 6 months. The bank collected 7-1/2% simple interest on the date of maturity. How much did the man pay for use of the money and what was the amount he repaid the bank on the due date of the note

Answers

Answer:

$3762.50

Step-by-step explanation:

From the problem, we can see our initial loan is 3500. On the return date, the interest of the loan is collected 7.5%. To find out how much the man paid for the loan, we need to find out how much he paid in interest, which is the percentage of the interest converted to a decimal x the initial loan. We get $262.5, and then we need to pay back the interest plus the initial loan we borrowed from the bank, so we need to add those together to get:

$3762.50

Can someone help? Will give brainliest!! Ty

Answers

7.2

a^2 + b^2 = c^

a=6

b=4

36+16=c^2

52=c2

root both sides

7.2=c


Sam earned $154 washing 7 cars. He earned the same amount for washing each car
Select all the equations that show reasonable estimates for the amount Sam eamed washing each car
A $140 = 7 = $20
B. $190 = 9 = $10
C. $160 = 8=320
D. $150 = 5= $10
E $150 = 3= $50

Answers

Answer:

the answer is A cause you divide 7 by 140 and the answer is 22 so 20 is the closest

What language your figure the thunder rose

Answers

Answer: ok buddy

Step-by-step explanation:

Answer:

?

Step-by-step explanation:

Why is 2/10 equivalent to 1/5?

Answers

Answer:

If you divide both top and bottom of [tex]\frac{2}{10}[/tex] by 2, you get [tex]\frac{1}{5}[/tex]

Answer:

because you have to find common denominators

2/10= 1/5

2/10= 1x2/5x2

Whatever you do to the bottom, you do to the top so that is why i also multiplied the numerator by 2.

2/10=2/10

Hope it helped!! Pls mark brainliest :)) Have a good day

Step-by-step explanation:

A production process is known to produce a particular item in such a way that 5 percent of these are defective. If two items are randomly selected as they come off the production line, what is the probability that both are defective (assuming that they are independent)

Answers

Answer:

0.0025 = 0.25% probability that both are defective

Step-by-step explanation:

For each item, there are only two possible outcomes. Either they are defective, or they are not. Items are independent of each other. So we use the binomial probability distribution to solve this question.

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

[tex]P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}[/tex]

In which [tex]C_{n,x}[/tex] is the number of different combinations of x objects from a set of n elements, given by the following formula.

[tex]C_{n,x} = \frac{n!}{x!(n-x)!}[/tex]

And p is the probability of X happening.

5 percent of these are defective.

This means that [tex]p = 0.05[/tex]

If two items are randomly selected as they come off the production line, what is the probability that both are defective

This is P(X = 2) when n = 2. So

[tex]P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}[/tex]

[tex]P(X = 2) = C_{2,2}.(0.05)^{2}.(0.95)^{0} = 0.0025[/tex]

0.0025 = 0.25% probability that both are defective

There are 600 members of a sports club.
The ratio of men to women is 2:3
1/4 of the men are under 30 years old
20% of the women are under 30 years old
HOW MANY MEMBERS ARE OVER 30?

Answers

9514 1404 393

Answer:

  468

Step-by-step explanation:

Men:

  (3/4)(2/5)(600) = (6/20)(600) = 6(30) = 180 men over 30

Women:

  (4/5)(3/5)(600) = (12/25)(600) = 48(6) = 288 women over 30

The total number of members over 30 is ...

  180 +288 = 468 . . . members over 30

Consider the sample space given below.

A die is a cube with six sides on which each side contains one to six dots. Suppose a blue die and a gray die are rolled together, and the numbers of dots that occur face up on each are recorded. The possible outcomes of the sample space S are listed as follows, where in each case the die on the left is blue and the one on the right is gray.


S= {11, 12, 13, 14, 15, 16, 21, 22, 23, 24, 25, 26, 31, 32, 33, 34, 35, 36, 41, 42, 43, 44, 45, 46, 51, 52, 53, 54, 55, 56, 61, 62, 63, 64, 65, 66}

Write the following event as a set.
The event that the numbers showing face up are the same.
E = ....................?
Compute the probability of E.

Answers

Answer:

1 / 6

Step-by-step explanation:

Probability is a measure of the likelihood of an event to occur. The probability for an event to occur is between 0 and 1.

The Probability of an event occurring is the ratio of the number of event in the sample space to the total number of possible outcomes.

The number of possible outcomes [n(S)] from rolling a blue die and a gray die is 36.

n(S) = 36

Let E be an event that the numbers showing face up are the same.

E = {11, 22, 33, 44, 55, 66}, n(E) = 6

The probability of E = P(E) = number event / number of possible outcomes =

P(E) = n(E) / n(S) = 6 / 36 = 1 / 6

tiffany makes money by commission rates. She gets 21% of everything she sells. If tiffany sold $27000 worth of items this month, what is her salary for the month .

Answers

Answer:

[tex]Salary = \$5670[/tex]

Step-by-step explanation:

Given

[tex]Items = \$27000[/tex]

[tex]Rate = 21\%[/tex]

Required

Determine her salary

Her salary is calculated as:

[tex]Salary = Rate * Items[/tex]

This gives:

[tex]Salary = 21\% * \$27000[/tex]

Convert % to decimal

[tex]Salary = 0.21 * \$27000[/tex]

[tex]Salary = \$5670[/tex]

Given f(x)= 5x®, what is the domain? O 5

Answers

25 is the answer I think

Answer:

all real numbers (D)

the range is y>= 0 (option B)

Step-by-step explanation:

the question isn't really clear, but assuming that it's f(x)=5x^6, the domain (or at least edge says the domain) is all real numbers. Next is y is greater than or equal to 0

hope this helps and you have a very nice day !! :)

If there are 52 successful outcomes in a sample with a size of 80, what is the
sample proportion?
A. 0.36
B. 0.72
C. 0.52
D. 0.65

Answers

Answer:

D. 0.65

Step-by-step explanation:

Do 52/80 to get the answer which is D.

The Ice Chalet offers dozens of different beginning ice-skating classes. All of the class names are put into a bucket. The 5 P.M., Monday night, ages 8 to 12, beginning ice-skating class was picked. In that class were 64 girls and 16 boys. Suppose that we are interested in the true proportion of girls, ages 8 to 12, in all beginning ice-skating classes at the Ice Chalet. Assume that the children in the selected class are a random sample of the population.

Required:
Construct a 92% Confidence Interval for the true proportion of girls in the ages 8-12 beginning ice-skating classes at the Ice Chalet.

Answers

Answer:

The answer is "(0.73,0.87)".

Step-by-step explanation:

Given:

number of girls[tex]= 64[/tex]

number of boys[tex]= 16[/tex]

Total number of children[tex]= 64+16= 80[/tex]

So,[tex]n=80[/tex]

Calculating the value of the proportion which is given by girls:

[tex]\hat{p}= \frac{\text{number of girls}}{\text{total number of childrens}}[/tex]

  [tex]=\frac{64}{80}\\\\=\frac{8}{10}\\\\= 0.8[/tex]

Therefore the confidence interval is:  

[tex]\to \hat{p}\pm z_{(1-\frac{\alpha }{2})}\sqrt{\frac{\hat{p}(1-\hat{p})}{n}}\\\\\to 0.8 \pm 1.75\sqrt{\frac{0.8(1-0.8)}{80}}\\\\\to 0.8 \pm 1.75 \sqrt{\frac{0.8(0.2)}{80}}\\\\\to 0.8 \pm 1.75 \sqrt{\frac{0.16}{80}}\\\\\to 0.8 \pm 1.75 \sqrt{0.002}\\\\\to 0.8 \pm 1.75 (0.04)\\\\\to 0.8 \pm 0.07\\\\\to (0.73,0.87)[/tex]

[tex]\therefore \\\\\text{The lower confidence limit} = 0.73\\\\\text{The upper confidence limit} = 0.87\\[/tex]

Match each sum or difference with the correct simplified expression.

(x - 5) - (x - 1)

2x - 4

(x - 5) + (x + 1)

2x - 6

(x - 5) - (x + 1)

4.

(x - 5) + (x - 1)

-6

Answers

Answer:

[tex](x-5)-(x-1)=-4[/tex]

[tex]=2x-4[/tex]

[tex](x-5)+(x+1)=-6[/tex]

[tex](x-5)+(x-1)=2x-6[/tex]

Step-by-step explanation:

In each of the expressions we first need to open the brackets and change the sign according to the sign preceding the bracket. After that we perform simple arithmetic to find the result.

[tex](x-5)-(x-1)=x-5-x+1[/tex]

[tex]=-4[/tex]

[tex](x-5)+(x+1)=x-5+x+1[/tex]

[tex]=2x-4[/tex]

[tex](x-5)-(x+1)=x-5-x-1[/tex]

[tex]=-6[/tex]

[tex](x-5)+(x-1)=x-5+x-1[/tex]

[tex]=2x-6[/tex]

The answers are

[tex](x-5)-(x-1)=-4[/tex]

[tex](x-5)+(x+1)=2x-4[/tex]

[tex](x-5)+(x+1)=-6[/tex]

[tex](x-5)+(x-1)=2x-6[/tex]

Answer:

Step-by-step explanation:

I got it right on edge 2022!

HELP!!! NEED HELP! It is a very confusing lesson

Answers

2 bags have exactly 42 jellybeans.

Explanation: stem equals the first digit of the number, the stem equals the second digit of the number.
If you see that there is a 4 under the stem, and 2,2,3 under the leaf, that would mean that the numbers are 42, 42, 43

Which pair
angles must be supplementary?
21
5
3 4

Answers

4 and 1

Step-by-step explanation:

Supplementary means the angle is 180 degrees so 4 is the only complete obvious 180 degree angle and 1 just cause i know it can't be 5.

Answer:

C. 4 and 5

I hope I was able to help.

Zack and Noah jogged 2/5 of a mile and walked another 1/4 of a mile. How far did they go in all?

Answers

Find a common denominator. The lowest one would come from you multiplying 2/5 by 4 on each side and 1/4 by 5 on each side. You are left with 8/20 and 5/20, added together would be 13/20.

1 Which triangle appears to be an obtuse
triangle?
C
B
D

Answers

The answer is d. Is it right?

Answer:D you can tell it’s much wider and it’s not at a 90 degree or less

Step-by-step explanation:

Other Questions
como es la tierra redonda o plana? Who is the protagonist?A. the magician b. Aladdin c. the princess D. the tailor The owners of a company named Bubbles are looking at a sketch of their new storefront sign if the sketch is to scale and the sign is 18 feet long, how fall is the sign?A)1.3ftB)12.5ftC)18ftD)25.92ft Why do many organisms produce thousands of offspring? *1 pointA To increase survival rate of generationsB Egg production require very little energyC To produce food for predatorsDTo make sure that there are lots of brothers and sisters BRAINLY write about abusive relationships in 75 words or more i will give brainly Which image shows the place where the pressure and density of the atmosphere would be lowest? Waves at a beach with palm trees. Mountains covered with snow. A desert.This is earth science not biology there wasn't a choice for it, Thank You! PLZZZ HELP ITS DUE VERY SOON!Write a function to represent each series of transformations: rotation of 90 degrees counterclockwise about the origin, point O, then a reflection across the x-axis reflection across the y-axis, then a translation a units to the right and b units up translation a units to the right and b units up, then a rotation of 180 degrees counterclockwise about the origin, then a reflection across the y-axis Write a journal entry as if you are a cowboy taking cattle to market. Include why you do this, what kinds of challenges you face and how you over come them, where you are starting from and where you are going. Include a few specifics from your reading and research. Your entry should be at least two paragraphs long. Read the passage carefully. To the south and southeast of China are the Himalaya Mountains. These are the highest mountains in the world. They provided a nearly impassable border for Ancient China, keeping the area isolated from many other civilizations. They were also important to Chinese religion and were considered sacred. Ancient China: Geography, Ken Nelson Based on the passage, why were the Himalaya Mountains important to the people of ancient China? Choose three correct answers. considered sacred enabled travel and trade formed a natural border protected them from others provided a good place to farm The large percentage of population involved in agriculture in China indicates that most people consume an inadequate number of calories. most people must produce food for their own survival factory production cannot expand. the country imports most of its food. few people are unemployed 1. Yo __________ bien.2. Ana y Ricardo no _______ en la clase.3. Dnde ________ el escritorio?4. Marta _______ mi amiga.5. La maleta _______all.6. _______ la una y media.7. Quin ________ tu (your) profesora de ingls?8. Sara y yo ____________ lejos del estadio.9. Miami no _______ la capital de la Florida.10. De dnde _______ t? What does A represent in this photo?!?!? Communication begins with the self Could someone write a 5 paragraph essay on how: The death of a loved one affects youth? A spinner is shown below.Which of the following relative frequencies match the expected probability? At a little-known vacation spot, taxi fares are a bargain. A 12-mile taxi ride takes 18 minutes and costs $7.20. You want to find the cost of a 38-mile taxi ride. What unit price do you need? is christopher columbus guilty of genocide please help me with this question!! I really don't know how to do this? which type of electromagnetic radiation is most likely to cause skin cancer as a result of sun exposure over time? Over the past week, Anna has been very curt with shondra, and when she ask if she has done something to offend her, Anna tersely replies, "no, everything is fine" what should shondra do