Advanced Placement (AP) Middle School

15. Which of the following gives the correct test statistic and p-value?​

15. Which Of The Following Gives The Correct Test Statistic And P-value?

Answers

Answer 1

Answer:

D

Explanation:

Trust

Related Questions

Omg help me please this is due today

Answers

Answer: 17 people died initially

Explanation:

the a value is the number in front of the parenthese. A value is the initial value

16. Which of the following is the correct interval? ​

Answers

Answer

C

Explanation:

It is correct

In extreme driving conditions such as snow, ice or heavy rain, you should stay at
least seconds behind the next vehicle.
A. 2-3
B. 4
C. 6-10

Answers

C 6-10 because if it’s extreme weather there a higher chance of car crashes or accidents the farthest is the safest.
C would be your best bet

18. What is the correct test statistic and conclusion? ​

Answers

Answer:

A

Explanation:

It is A

11. Which of the following is FALSE?​

Answers

Answer:

E. This die appears to be fair because of the proportion of sixes fluctuates greatly.

Explanation:

I hope this helped if its wrong then im sorry.

It’s D I’m pretty sure

How did monasticism impact Buddhism?

Answers

It impacted Buddhism because they had different beliefs so people were confused.
One of the important factors in the spread and growth of Buddhist monasticism was its adaptability. As long as monks and nuns preserved the basic teachings and social behavior patterns, Buddhism could be translated into any language or culture.

What is the derivative of -cot(2x)?

Answers

Answer:

[tex]\displaystyle y' = 2 \csc^2 (2x)[/tex]

General Formulas and Concepts:

Calculus

Differentiation

DerivativesDerivative Notation

Derivative Property [Multiplied Constant]:                                                           [tex]\displaystyle \frac{d}{dx} [cf(x)] = c \cdot f'(x)[/tex]

Basic Power Rule:

f(x) = cxⁿf’(x) = c·nxⁿ⁻¹

Derivative Rule [Chain Rule]:                                                                                 [tex]\displaystyle \frac{d}{dx}[f(g(x))] =f'(g(x)) \cdot g'(x)[/tex]

Explanation:

Step 1: Define

Identify

[tex]\displaystyle y = - \cot (2x)[/tex]

Step 2: Differentiate

Trigonometric Differentiation [Derivative Rule - Chain Rule]:                   [tex]\displaystyle y' = - \big(- \csc^2 (2x) \big)(2x)'[/tex]Simplify:                                                                                                         [tex]\displaystyle y' = \csc^2 (2x)(2x)'[/tex]Basic Power Rule [Derivative Property - Multiplied Constant]:                 [tex]\displaystyle y' = 2 \csc^2 (2x)[/tex]

Topic: AP Calculus AB/BC (Calculus I/I + II)

Unit: Differentiation

3. The phrase, household penetration, describes the percentage of households that purchase a particular item. The household penetration for toilet paper is 97%. You survey a random sample of 50 households and want to compute the probability that at least one of the households does not purchase toilet paper. Which of the following is appropriate for modeling this distribution?
(A)Binomial distribution
(B)Geometric distribution
(C)Normal distribution
(D)t distribution
(E)Chi-square distribution​

Answers

Answer:

A) Binomial Distribution

Explanation:

This situation is binary because there are two options. Either success (buy toilet paper) or failure (do not buy toilet paper). The trials are independent, there are a fixed number of trials, and the probability of success remains the same for each trial. Therefore, it is a binomial distribution.

One good way to cut down on the expenses of technology while in college is
to:
A. borrow your friend's computer.
B. use a smartphone for most of your communication needs.
c. take advantage of the free Wi-Fi available on most college
campuses.
O D. use a typewriter.

Answers

Answer:

C and A

Explanation:

For A you first look through his history

Take advantage of the free Wi-Fi available on most college campuses. The correct option is C.

What is technology?

Technology refers to the tools, techniques, and processes that are used to create, develop, and improve products, services, and processes.

It encompasses a wide range of fields such as electronics, telecommunications, software, computers, and robotics.

College campuses typically offer free Wi-Fi for their students, which can be used to access the internet and other resources on a laptop, tablet, or smartphone.

Using these resources can help cut down on technology expenses, as students can use their own devices instead of purchasing new ones or relying on friends to borrow theirs.

Additionally, using a smartphone for communication needs may not be as efficient or practical as using a laptop or tablet, and using a typewriter is an outdated technology that is not commonly used anymore.

Thus, the correct option is C.

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4. An organization that strives to hold agencies accountable for truth in news reporting plans to select a random sample of 100 news stories from major U.S. news agencies in order to estimate the proportion of news stories produced by major U.S. news agencies that contain false information. A 90 percent confidence interval for the proportion of all news stories that contain false information will then be constructed. Before selecting the sample, the organization determines that they want to make the margin of error as small as possible. Which of the following is the best way for them to decrease the margin of error?
(A)Increase the confidence level to 95%.
(B)Increase the confidence level to 99%.
(C) Include a wider diversity of sources, such as local and international news agencies.
(D)Include news stories over a broad period of time, such as over the past decade.
(E) Increase the sample size.​

Answers

Answer: E) Increase the sample size

Explanation: with the confidence level and sample proportion held constant, the margin of error will decrease as the sample size increases.

YOU WILL GET BRAINLIEST!! What could help a country move from Stage 1 to Stage 2 of the demographic
transition?
- Instituting population restrictions
-increased immigration
-The diffusion of contraceptives
-better sanitation
-Improving education for women

Answers

Answer:

i would think population restrictions  

Explanation

stage 2 is characterized by a rapid decrease in a country’s death rate so the total population of a country in Stage 2 will rise

How do fishing gears cause decrease in the population of marine species?
A) by changing water drifts
B) by decreasing phytoplankton population
by causing loss of habitat
D) by increasing water salinity
Please select the best answer from the choices provided
<
OOO
O

Answers

Answer:

wrong its d

Explanation:

8. Candidate A and Candidate B are running for president. You are planning a survey to determine what proportion of registered voters plan to vote for Candidate A (p). You will contact a random sample of registered voters. You want to estimate p with 99% confidence and a margin of error no greater than 0.01. What is the minimum number of registered voters you will need to survey in order to meet these requirements?
(A)97
(B)166
(C)6,766
(D)9,604
(E)16,590​

Answers

Answer:

The correct answer is (E).

The minimum sample size of registered voters that are needs to be surveyed in order to meet these requirements is 16590 registered voters.

What is the required sample size?

The sample size, n, can be calculated using the formula below:

[tex]n = \frac{z^{2}×p(1-p)}{(\frac{ε}{2}) ^{2}}[/tex]

where:

z = is the z scoreε is the margin of errorpis the population proportion

For the data provided:

z for 99% confidence = 2.58

ε/2 = 0.005

p = 0.5

Substituting the values:

[tex]n = \frac{2.58^{2}×0.5(1-0.5)}{0.005^{2}} = 16641[/tex]

Therefore, the minimum sample size of registered voters that are needs to be surveyed in order to meet these requirements is 16590 registered voters.

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10. Lindsey is an avid tennis player. She kept track of the number of winners she had per game for an entire season. The shape of the distribution of the number of winners is roughly symmetric and the five- number summary of the number of winners is: Min: 10 Q1: 18 Med: 48 Q3: 79 Max: 92
Luke is Lindsey’s biggest rival. The average number of winners Luke had per game for the season has the same value as Lindsey’s IQR. Who had the greatest average number of winners this season? Explain.
(A)Lindsey, she averaged approximately 48 winners per game while Luke only averaged 18 winners per game.
(B)Lindsey, she averaged approximately 49.4 winners per game while Luke only averaged 48 winners per game.
(C)Luke, he averaged 61 winners per game while Lindsey only averaged approximately 48 winners per game.
(D)Luke, he averaged 61 winners per game while Lindsey only averaged approximately 79 winners per game.
(E)There is not enough information provided to determine Lindsey’s average.​

Answers

Answer:

c

Explanation:

PLEASE PLEASE HELP:: The scoop of an excavator holds 26 ft3 of sand. If the capacity of a freight car is 39 tons of sand and we know that 1 ft3 of sand weighs 0.5 tons, how many freight cars can be filled with 120 loads?

Answers

Answer:

40

Explanation:

Since we know that 1 ft3 of sand = 0.5 tons, we can make a proportion

26/x=1/0.5

If you simplify it, you should get x=13

Now that we know 26 ft3 of sand = 13 tons, we should multiply it with 120 number of loads

13*120=1560

Then, we have to divide 1560 by 39 which should give your answer 40

Hope this works!

Freight cars can be filled with 120 loads is 40

How is load percentage calculated?

The load factor percentage is derived by dividing the total kilowatt-hours (kWh) consumed in a designated period by the product of the maximum demand in kilowatts (kW) and the number of hours in the period.

Since we know that 1 ft3 of sand = 0.5 tons, we can make a proportion

26/x=1/0.5

If you simplify it, you should get x=13

Now that we know 26 ft3 of sand = 13 tons, we should multiply it with 120 number of loads

13*120=1560

Then, we have to divide 1560 by 39 which should give your answer 40

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According to the proclamation, what were African Americans promised in return for fighting for the British in the War of 1812?

Answers

Answer: Their freedom

Explanation:

They were promised to be set free because at the time they were slaves

1.Sharon is a good student who enjoys statistics. She sets a goal for herself to do well enough compared to her peers so that her standardized score on her Statistics final is equal to her percentile rank (written as a decimal) among her classmates. What goal did she set for herself?
(A)0.25
(B)0.78
(C)1.09
(D)2.25
(E)2.41​

Answers

Answer: B

Explanation: 0.78

What % of people in LDC’s (Less Developed Countries) are farmers?

Answers

They are the brightest bananas I. Earth and the can eat u like a monkey
Hey there

The answer would be up to 90%.

Hope this helps !

Tara mows lawns as a summer job. She
charges $9.50 for each lawn plus $2.50 for
every hour she works. The gasoline she needs
to mow an average lawn costs $1.85. Write an
expression for the profit Tara makes from
cutting a single lawn.

Answers

Answer:

9.50+(2.50x)1.85

Explanation:

I think this might be it because you don't really get the time she works for a lawn

Answer:

7.65 + 2.50h

Explanation:

The original expression for finding her profit is:

($9.50x + $2.50h) - 1.85x

x being the number of lawns she mows

h being the number of hours she works

If she were to only mow one lawn, the expression would be:

($9.50(1) + $2.50h) - 1.85(1)

h remains constant because we do not know the number of hours she works for

The above expression simplified:

($9.50 + $2.50h) - 1.85

So, I do... $9.50 - 1.85 to get...

$7.65 +$2.50h

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