A study was conducted to determine the proportion of people who dream in black and white instead of color. Among 285 people over the age of 55, 76 dream in black and white, and among 287 people under the age of 25, 10 dream in black and white. Use a 0.01 significance level to test the claim that the proportion of people over 55 who dream black and white is greater than the proportion for those under 25. Test the claim using a hypothesis test. Consider the first sample to be the sample of people over the age of 55 and the second sample to be the sample of people under the age of 25. What are the null and alternative hypotheses for the hypothesis test? OC. Ho: P =P2 H: P P2 H: P #P2 OF. Ho: P Pz O E. Ho: P1 SP2 H: P = P2 O D. Ho: P1 2 P2 H: P1 P2 H: P +P2 Identify the test statistic. (Round to two decimal places as needed.) Identify the P-value. P-value = (Round to three decimal places as needed.)
A study was conducted to determine the proportion of people who dream in black and white instead of color. Among 285 people over the age of 55, 76 dream in black and white, and among 287 people under the age of 25, 10 dream in black and white. Use a 0.01 significance level to test the claim that the proportion of people over 55 who dream black and white is greater than the proportion for those under 25. Test the claim using a hypothesis test. Consider the first sample to be the sample of people over the age of 55 and the second sample to be the sample of people under the age of 25. What are the null and alternative hypotheses for the hypothesis test? OC. Ho: P =P2 H: P P2 H: P #P2 OF. Ho: P Pz O E. Ho: P1 SP2 H: P = P2 O D. Ho: P1 2 P2 H: P1 P2 H: P +P2 Identify the test statistic. (Round to two decimal places as needed.) Identify the P-value. P-value = (Round to three decimal places as needed.)
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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![A study was conducted to determine the proportion of people who dream in black and white instead of color. Among 285 people over the age of 55, 76 dream in black and white, and among 287 people under
the age of 25, 10 dream in black and white. Use a 0.01 significance level to test the claim that the proportion of people over 55 who dream in black and white is greater than the proportion for those under 25.
Identify the P-value.
P-value =
(Round to three decimal places as needed.)
What is the conclusion based on the hypothesis test?
The P-value is
V the significance level of a = 0.01, so
black and white is greater than the proportion for those under 25.
the null hypothesis. There is
V evidence to support the claim that the proportion of people over 55 who dream in
An explanation for the results is that those over the age of 55 grew
reject
that was displayed in black and white. Can these results be used to verify that explanation?
O A. Yes. The results can be used to verify the given explanatior
fail to reject
ce in proportions is statistically significant.
O B. Yes. The results can be used to verify the given explanation because the difference in proportions is practically significant.
O C. No. The results speak to a possible difference between the proportions of people over 55 and under 25 who dream in black and white, but the results are not statistically significant enough to verify
the cause of such a difference.
O D. No. The results speak to a possible difference between the proportions of people over 55 and under 25 who dream in black and white, but the results cannot be used to verify the cause of such a
difference.
Click to select your answer(s).
Show All
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Transcribed Image Text:A study was conducted to determine the proportion of people who dream in black and white instead of color. Among 285 people over the age of 55, 76 dream in black and white, and among 287 people under
the age of 25, 10 dream in black and white. Use a 0.01 significance level to test the claim that the proportion of people over 55 who dream in black and white is greater than the proportion for those under 25.
Identify the P-value.
P-value =
(Round to three decimal places as needed.)
What is the conclusion based on the hypothesis test?
The P-value is
V the significance level of a = 0.01, so
black and white is greater than the proportion for those under 25.
the null hypothesis. There is
V evidence to support the claim that the proportion of people over 55 who dream in
An explanation for the results is that those over the age of 55 grew
reject
that was displayed in black and white. Can these results be used to verify that explanation?
O A. Yes. The results can be used to verify the given explanatior
fail to reject
ce in proportions is statistically significant.
O B. Yes. The results can be used to verify the given explanation because the difference in proportions is practically significant.
O C. No. The results speak to a possible difference between the proportions of people over 55 and under 25 who dream in black and white, but the results are not statistically significant enough to verify
the cause of such a difference.
O D. No. The results speak to a possible difference between the proportions of people over 55 and under 25 who dream in black and white, but the results cannot be used to verify the cause of such a
difference.
Click to select your answer(s).
Show All
a Persuasive Spee.doc
A PersuasiveSpch.doc
A SamplePPTforP.pptx
> Persuasive Spe.docx
stv
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I
![A study was conducted to determine the proportion of people who dream in black and white instead of color. Among 285 people over the age of 55, 76 dream in black and white, and among 287 people under
the age of 25, 10 dream in black and white. Use a 0.01 significance level to test the claim that the proportion of people over 55 who dream in black and white is greater than the proportion for those under 25.
Test the claim using a hypothesis test.
Consider the first sample to be the sample of people over the age of 55 and the second sample to be the sample of people under the age of 25. What are the null and alternative hypotheses for the
hypothesis test?
O A. Ho: P1 = P2
H: P1> P2
O B. Ho: P1 = P2
OC. Ho: P1 = P2
H: P <P2
H4: P, #P2
O D. Ho: P12 P2
H: P, #P2
O E. Ho: P1 SP2
H: P, P2
OF. Ho: P1 +P2
H: P, = P2
Identify the test statistic.
(Round to two decimal places as needed.)
Identify the P-value.
P-value =
(Round to three decimal places as needed.)
Click to select your answer(s).
Show A
2 SamplePPTforP..pptx
> Persuasive Spe.docx
a Persuasive Spee.doc
a PersuasiveSpch.doc
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#3](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ffd93e1a4-6168-4d15-ae62-a31531410aae%2Fefe28bc3-c76e-4619-adfe-2882c793f7c5%2Fxfu88fn_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A study was conducted to determine the proportion of people who dream in black and white instead of color. Among 285 people over the age of 55, 76 dream in black and white, and among 287 people under
the age of 25, 10 dream in black and white. Use a 0.01 significance level to test the claim that the proportion of people over 55 who dream in black and white is greater than the proportion for those under 25.
Test the claim using a hypothesis test.
Consider the first sample to be the sample of people over the age of 55 and the second sample to be the sample of people under the age of 25. What are the null and alternative hypotheses for the
hypothesis test?
O A. Ho: P1 = P2
H: P1> P2
O B. Ho: P1 = P2
OC. Ho: P1 = P2
H: P <P2
H4: P, #P2
O D. Ho: P12 P2
H: P, #P2
O E. Ho: P1 SP2
H: P, P2
OF. Ho: P1 +P2
H: P, = P2
Identify the test statistic.
(Round to two decimal places as needed.)
Identify the P-value.
P-value =
(Round to three decimal places as needed.)
Click to select your answer(s).
Show A
2 SamplePPTforP..pptx
> Persuasive Spe.docx
a Persuasive Spee.doc
a PersuasiveSpch.doc
tv
MacBook Air
F10
F9
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#3
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