In 2011, a U.S. Census report determined that 71% of college students work. A researcher thinks this percentage has changed since then. A survey of 110 college students reported that 91 of them work. Is there evidence to support the reasearcher's claim at the 1% significance level? a) Determine the null and alternative hypotheses. Ho:p= Ha:p Select an answer ✓ b) Determine the test statistic. Round to two decimals. Z= c) Find the p-value. Round to 4 decimals. P-value = d) Make a decision. O Fail to reject the null hypothesis O Reject the null hypothesis (Put in the correct symbol and value) e) Write the conclusion.
In 2011, a U.S. Census report determined that 71% of college students work. A researcher thinks this percentage has changed since then. A survey of 110 college students reported that 91 of them work. Is there evidence to support the reasearcher's claim at the 1% significance level? a) Determine the null and alternative hypotheses. Ho:p= Ha:p Select an answer ✓ b) Determine the test statistic. Round to two decimals. Z= c) Find the p-value. Round to 4 decimals. P-value = d) Make a decision. O Fail to reject the null hypothesis O Reject the null hypothesis (Put in the correct symbol and value) e) Write the conclusion.
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.4: Collecting Data
Problem 3E
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Transcribed Image Text:b) Determine the test statistic. Round to two decimals.
2 =
c) Find the p-value. Round to 4 decimals.
P-value =
d) Make a decision.
Fail to reject the null hypothesis
O Reject the null hypothesis
e) Write the conclusion.
O There is sufficient evidence to support the claim that the percentage of college students who
work is different than 71%.
O There is not sufficient evidence to support the claim that the percentage of college students
who work is different than 71%.
Transcribed Image Text:In 2011, a U.S. Census report determined that 71% of college students work. A researcher thinks this
percentage has changed since then. A survey of 110 college students reported that 91 of them work.
Is there evidence to support the reasearcher's claim at the 1% significance level?
a) Determine the null and alternative hypotheses.
Ho: P
=
Ha:p Select an answer
2 =
b) Determine the test statistic. Round to two decimals.
c) Find the p-value. Round to 4 decimals.
P-value =
d) Make a decision.
(Put in the correct symbol and value)
O Fail to reject the null hypothesis
Reject the null hypothesis
e) Write the conclusion.
O There is sufficient evidence to support the claim that the percentage of college students who
work is different than 71%.
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