In a survey of 180 females who recently completed high school, 80% were enrolled in college. In a survey of 160 males who recently completed high school, 70% were enrolled in college. At a =0.09, can you reject the claim that there is no difference in the proportion of college enrollees between the two groups? Assume the random samples are independent. Complete parts (a) through (e). enrollees. State Ho and Ha. Choose the correct answer below. C. Ho: P1 P2 O B. Ho: P, 2P2 Ha: P1 P2 Ha: P1 SP2 OD. Ho: P1 SP2 Ha: P1 > P2 Ha: P1 #P2 O E. Ho: P1
In a survey of 180 females who recently completed high school, 80% were enrolled in college. In a survey of 160 males who recently completed high school, 70% were enrolled in college. At a =0.09, can you reject the claim that there is no difference in the proportion of college enrollees between the two groups? Assume the random samples are independent. Complete parts (a) through (e). enrollees. State Ho and Ha. Choose the correct answer below. C. Ho: P1 P2 O B. Ho: P, 2P2 Ha: P1 P2 Ha: P1 SP2 OD. Ho: P1 SP2 Ha: P1 > P2 Ha: P1 #P2 O E. Ho: P1
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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Question
(b) Find the critical value(s) and identify the rejection region(s).
(c) Find the standardized test statistic.
(d) Decide whether to reject or fail to reject the null hypothesis.
(e) Interpret the decision in the context of the original claim.
Transcribed Image Text:In a survey of 180 females who recently completed high school, 80% were enrolled in college. In a survey of 160 males who recently
completed high school, 70% were enrolled in college. At a =0.09, can you reject the claim that there is no difference in the proportion
of college enrollees between the two groups? Assume the random samples are independent. Complete parts (a) through (e).
enrollees. State Ho and Ha
Choose the correct answer below.
C. Ho: P1 P2
Ha: P1 #P2
OF. Ho: P1 P2
Ha: P1 = P2
O A. Ho: P1 > P2
Ha: P1 SP2
O B. Ho: P1 2 P2
Ha: P1 <P2
O D. Ho: P1 <P2
Ha: P1 > P2
O E. Ho: P1 <P2
Ha: P12 P2
(b) Find the critical value(s) and identify the rejection region(s).
The critical value(s) is(are).
(Use a comma to separate answers as needed. Type an integer or a decimal. Round to two decimal places as needed.)
Enter your answer in the answer box and then click Check Answer.
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4
parts
remaining
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