Twenty years ago, 51% of parents of children in high school felt it was a serious problem that high school students were not being taught enough math and science. A recent survey found that 309 of school felt it was a serious problem that high school students were not being taught enough math and science. Do parents feel differently today than they did twenty years ago? Use the a = 0.01 level of significance. O parents of children in high Ho: p-51 versus H (Type integers or decimals. Do not round.) p <51 Find the test statistic zo =1.96 (Round to two decimal places as eeded.) Find the P-value. Pvalue 025 (Round to three decimal places as needed) Determine the conclusion for this hypothesis test. Choose the correct answer below. O A. Since P-value a, do not reject the null hypothesis and conclude that there is not sufficient evidence that parents feel differently today O C. Since P value >a, reject the null hypothesis and conclude that there is not sufficient evidence that parents feel differently today Since P-value
Twenty years ago, 51% of parents of children in high school felt it was a serious problem that high school students were not being taught enough math and science. A recent survey found that 309 of school felt it was a serious problem that high school students were not being taught enough math and science. Do parents feel differently today than they did twenty years ago? Use the a = 0.01 level of significance. O parents of children in high Ho: p-51 versus H (Type integers or decimals. Do not round.) p <51 Find the test statistic zo =1.96 (Round to two decimal places as eeded.) Find the P-value. Pvalue 025 (Round to three decimal places as needed) Determine the conclusion for this hypothesis test. Choose the correct answer below. O A. Since P-value a, do not reject the null hypothesis and conclude that there is not sufficient evidence that parents feel differently today O C. Since P value >a, reject the null hypothesis and conclude that there is not sufficient evidence that parents feel differently today Since P-value
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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![Twenty years ago, 51% of parents of children in high school felt it was a serious problem that high school students were not being taught enough math and science. A recent survey found that 309 of 900 parents of children in high
school felt it was a serious problem that high school students were not being taught enough math and science. Do parents feel differently today than they did twenty years ago? Use the a= 0.01 level of significance.
Ho: p
51 versus H1:
51
(Type integers or decimals. Do not round.)
Find the test statistic.
Zo = 1.96 (Round to two decimal places as needed.)
Find the P-value.
P-value = .025 (Round to three decimal places as needed.)
Determine the conclusion for this hypothesis test. Choose the correct answer below.
A. Since P-value < a, reject the null hypothesis and conclude that there is sufficient evidence that parents feel differently today.
B. Since P-value > a, do not reject the null hypothesis and conclude that there is not sufficient evidence that parents feel differently today.
C. Since P-value > a, reject the null hypothesis and conclude that there is not sufficient evidence that parents feel differently today.
D. Since P-value < a, do not reject the null hypothesis and conclude that there is sufficient evidence that parents feel differently today.
Click to select your answer(s).
3:16
acer](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F64456a47-5dbd-4dcc-a8e4-99fe3e6dc404%2Faee2d9fe-ad0e-47aa-856d-4195d515a3be%2Fc9er1ba_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Twenty years ago, 51% of parents of children in high school felt it was a serious problem that high school students were not being taught enough math and science. A recent survey found that 309 of 900 parents of children in high
school felt it was a serious problem that high school students were not being taught enough math and science. Do parents feel differently today than they did twenty years ago? Use the a= 0.01 level of significance.
Ho: p
51 versus H1:
51
(Type integers or decimals. Do not round.)
Find the test statistic.
Zo = 1.96 (Round to two decimal places as needed.)
Find the P-value.
P-value = .025 (Round to three decimal places as needed.)
Determine the conclusion for this hypothesis test. Choose the correct answer below.
A. Since P-value < a, reject the null hypothesis and conclude that there is sufficient evidence that parents feel differently today.
B. Since P-value > a, do not reject the null hypothesis and conclude that there is not sufficient evidence that parents feel differently today.
C. Since P-value > a, reject the null hypothesis and conclude that there is not sufficient evidence that parents feel differently today.
D. Since P-value < a, do not reject the null hypothesis and conclude that there is sufficient evidence that parents feel differently today.
Click to select your answer(s).
3:16
acer
![Twenty years ago, 51% of parents of children in high school felt it was a serious problem that high school students were not being taught enough math and science. A recent survey found that 309 of 900 parents of children in high
school felt it was a serious problem that high school students were not being taught enough math and science. Do parents feel differently today than they did twenty years ago? Use the a= 0.01 level of significance.
Because npo (1- po) = 243.5
> 10, the sample size is
less than
5% of the population size, and the sample
is given to be random,
the requirements for testing the hypothesis
are
satisfied.
(Round to one decimal place as needed.)
What are the null and alternative hypotheses?
Ho:
51 versus H1:
51
(Type integers or decimals. Do not round.)
Find the test statistic.
Zo = 1.96 (Round to two decimal places as needed.)
Find the P-value.
P-value = .025 (Round to three decimal places as needed.)
Determine the conclusion for this hypothesis test. Choose the correct answer below.
A. Since P-value <a, reject the null hypothesis and conclude that there is sufficient evidence that parents feel differently today.
Click to select your answer(s).
O 3:16
acer
Σ](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F64456a47-5dbd-4dcc-a8e4-99fe3e6dc404%2Faee2d9fe-ad0e-47aa-856d-4195d515a3be%2Fsk1wob_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Twenty years ago, 51% of parents of children in high school felt it was a serious problem that high school students were not being taught enough math and science. A recent survey found that 309 of 900 parents of children in high
school felt it was a serious problem that high school students were not being taught enough math and science. Do parents feel differently today than they did twenty years ago? Use the a= 0.01 level of significance.
Because npo (1- po) = 243.5
> 10, the sample size is
less than
5% of the population size, and the sample
is given to be random,
the requirements for testing the hypothesis
are
satisfied.
(Round to one decimal place as needed.)
What are the null and alternative hypotheses?
Ho:
51 versus H1:
51
(Type integers or decimals. Do not round.)
Find the test statistic.
Zo = 1.96 (Round to two decimal places as needed.)
Find the P-value.
P-value = .025 (Round to three decimal places as needed.)
Determine the conclusion for this hypothesis test. Choose the correct answer below.
A. Since P-value <a, reject the null hypothesis and conclude that there is sufficient evidence that parents feel differently today.
Click to select your answer(s).
O 3:16
acer
Σ
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