In a survey of 240 males ages 20 to 24, 35% were neither in school nor working. In a survey of 250 females ages 20 to 24, 39% were neither in school nor working. These samples are random and independent. At a = 0.05, can you support the claim that the proportion of males ages 20 to 24 who were neither in school nor working is less than the proportion of females ages 20 to 24 who were neither in school nor working? Complete parts (a) through (e) below. (a) Identify the claim and state Ho and H- The claim is "the proportion of males ages 20 to 24 who were neither in school nor working is school nor working." the proportion of females ages 20 to 24 who were neither in Let p, and p2 be the two population proportions for males and females, respectively. State Ho and Hg. Choose the correct answer below. OC. Ho: P1 P2 HP = P2 OF. Ho: P1SP2 OA. Họ: P1 2P2 O B. Ho: P1 =P2 Ha P P2 H: P1 > P2 Hi Pq Z PZ (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. Round to two decimal places as needed.) dentify the rejection region(s). Choose the correct answer below. OA. z< -Zo, z>Zo O B. z< - Zo OD. z=z0 OC. zs -zo. z2 zO DE zzzo OF. z>Z0 c) Find the standardized test statistic. == (Round to two decimal places as needed.) d) Decide whether to reject or fail to reject the null hypothesis. Choose the correct answer below. O Reject Hg- O Fail to reject Ho- e) Interpret the decision in the context of the original claim. thoose the correct answer below. DA. At the 5% significance level, there is insufficient evidence to reject the claim. OB. At the 5% significance level, there is sufficient evidence to support the claim. OC. At the 5% significance level, there is sufficient evidence to reject the claim. OD. At the 5% significance level, there is insufficient evidence to support the claim.

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
Question
Solve all parts please 20
In a survey of 240 males ages 20 to 24, 35% were neither in school nor working. In a survey of 250 females ages 20 to 24, 39% were neither in school nor working. These
samples are random and independent. At a = 0.05, can you support the claim that the proportion of males ages 20 to 24 who were neither in
the proportion of females ages 20 to 24 who were neither in school nor working? Complete parts (a) through (e) below.
school nor working is less than
.....
(a) Identify the claim and state Ho and H
V the proportion of females ages 20 to 24 who were neither in
The claim is "the proportion of males ages 20 to 24 who were neither in school nor working is
school nor working."
Let p, and p2 be the two population proportions for males and females, respectively. State Ho and Ha.
Choose the correct answer below.
OC. Ho: P1 #P2
OA. Ho: P1 2 P2
Ha: P1 <P2
O B. Ho: P1 =P2
Hi P, P2
H: P1 = P2
O E. Ho: P1> P2
Hai P, SP2
OF. Ho: P1 SP2
Ha: P1> P2
O D. Ho: P1 <P2
Hai Pq Z PZ
(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. Round to two decimal places as needed.)
Identify the rejection region(s). Choose the correct answer below.
O A. z< -zo, z> Z
O B. z< - Zo
O C. zs - zo. zzz
O D. z=z0
OF. z>zo
O E. zzzo
(c) Find the standardized test statistic.
z= (Round to two decimal places as needed.)
(d) Decide whether to reject or fail to reject the null hypothesis.
Choose the correct answer below.
O Reject Ho.
Fail to reject Ho-
(e) Interpret the decision in the context of the original claim.
Choose the correct answer below.
O A. At the 5% significance level, there is insufficient evidence to reject the claim.
O B. At the 5% significance level, there is sufficient evidence to support the claim.
O C. At the 5% significance level, there is sufficient evidence to reject the claim.
O D. At the 5% significance level, there is insufficient evidence to support the claim.
Transcribed Image Text:In a survey of 240 males ages 20 to 24, 35% were neither in school nor working. In a survey of 250 females ages 20 to 24, 39% were neither in school nor working. These samples are random and independent. At a = 0.05, can you support the claim that the proportion of males ages 20 to 24 who were neither in the proportion of females ages 20 to 24 who were neither in school nor working? Complete parts (a) through (e) below. school nor working is less than ..... (a) Identify the claim and state Ho and H V the proportion of females ages 20 to 24 who were neither in The claim is "the proportion of males ages 20 to 24 who were neither in school nor working is school nor working." Let p, and p2 be the two population proportions for males and females, respectively. State Ho and Ha. Choose the correct answer below. OC. Ho: P1 #P2 OA. Ho: P1 2 P2 Ha: P1 <P2 O B. Ho: P1 =P2 Hi P, P2 H: P1 = P2 O E. Ho: P1> P2 Hai P, SP2 OF. Ho: P1 SP2 Ha: P1> P2 O D. Ho: P1 <P2 Hai Pq Z PZ (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. Round to two decimal places as needed.) Identify the rejection region(s). Choose the correct answer below. O A. z< -zo, z> Z O B. z< - Zo O C. zs - zo. zzz O D. z=z0 OF. z>zo O E. zzzo (c) Find the standardized test statistic. z= (Round to two decimal places as needed.) (d) Decide whether to reject or fail to reject the null hypothesis. Choose the correct answer below. O Reject Ho. Fail to reject Ho- (e) Interpret the decision in the context of the original claim. Choose the correct answer below. O A. At the 5% significance level, there is insufficient evidence to reject the claim. O B. At the 5% significance level, there is sufficient evidence to support the claim. O C. At the 5% significance level, there is sufficient evidence to reject the claim. O D. At the 5% significance level, there is insufficient evidence to support the claim.
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