An education researcher claims that at most 7% of working college students are employed as teachers or teaching assistants. In a random sample of 300 working college students, 8% are employed as teachers or teaching assistants. At a = 0.05, is there enough evidence to reject the researcher's claim? Complete parts (a) through (e) below. O C. More than% of working college students are employed as teachers or teaching assistants. OD. The percentage of working college students who are employed as teachers or teaching assistants is not %. Let p be the population proportion of successes, where a success is a working college student who is employed as a teacher or teaching assistant State H, and H,. Select the correct choice below and fill in the answer boxes to complete your choice. (Round to two decimal places as needed.) OA. Hạ: p< H, p2 OB. Hg p> H, ps OE H: p н, р OC. Ha ps 07 H, p> 07 OF. H: p2 H, p< OD. Hg: p= H, p (b) Find the critical value(s) and identify the rejection region(s). Identify the critical value(s) for this test (Round to two decimal places as needed. Use a comma to separate answers as needed.) Identify the rejection region(s). Select the correct choice below and fill in the answer box(es) to complete your choice. (Round to two decimal places as needed.) O A. The rejection region is z< O B. The rejection regions are z< and z> Oc. The rejection region is z> OD. The rejection region is
An education researcher claims that at most 7% of working college students are employed as teachers or teaching assistants. In a random sample of 300 working college students, 8% are employed as teachers or teaching assistants. At a = 0.05, is there enough evidence to reject the researcher's claim? Complete parts (a) through (e) below. O C. More than% of working college students are employed as teachers or teaching assistants. OD. The percentage of working college students who are employed as teachers or teaching assistants is not %. Let p be the population proportion of successes, where a success is a working college student who is employed as a teacher or teaching assistant State H, and H,. Select the correct choice below and fill in the answer boxes to complete your choice. (Round to two decimal places as needed.) OA. Hạ: p< H, p2 OB. Hg p> H, ps OE H: p н, р OC. Ha ps 07 H, p> 07 OF. H: p2 H, p< OD. Hg: p= H, p (b) Find the critical value(s) and identify the rejection region(s). Identify the critical value(s) for this test (Round to two decimal places as needed. Use a comma to separate answers as needed.) Identify the rejection region(s). Select the correct choice below and fill in the answer box(es) to complete your choice. (Round to two decimal places as needed.) O A. The rejection region is z< O B. The rejection regions are z< and z> Oc. The rejection region is z> OD. The rejection region is
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
Related questions
Question
If I could help find the critical value and the standard test statistic
Transcribed Image Text:An education researcher claims that at most 7% of working college students are employed as teachers or teaching assistants. In a random sample of 300 working college students, 8% are employed as teachers or teaching assistants. At a = 0.05, is there enough evidence to reject the researcher's claim? Complete parts (a)
through (e) below.
C. More than % of working college students are employed as teachers or teaching assistants.
O D. The percentage of working college students who are employed as teachers or teaching assistants is not
Let p be the population proportion of successes, where a success is a working college student who is employed as a teacher or teaching assistant. State Ho and Ha. Select the correct choice below and fill in the answer boxes to complete your choice.
(Round to two decimal places as needed.)
O A. Ho: p<
О В. Но р>
O C. Ho: ps.07
H3: p2
Hạ: ps
H3: p>.07
O D. Ho: p=
O E. Ho: p#
O F. Ho: p2
H3: p#
H3: p =
H3: p<
(b) Find the critical value(s) and identify the rejection region(s).
Identify the critical value(s) for this test.
Zo =0
(Round to two decimal places as needed. Use
comma to separate answers as needed.)
Identify the rejection region(s). Select the correct choice below and fill in the answer box(es) to complete your choice.
(Round to two decimal places as needed.)
O A. The rejection region is z<
O B. The rejection regions are z<
and z>
OC. The rejection region is z>
O D. The rejection region is
(c) Find the standardized test statistic z.
z=|
(Round to two decimal places as needed.)
(d) Decide whether to reject or fail to reject the null hypothesis and (e) interpret the decision in the context of the original claim.
V the null hypothesis. There
V enough evidence to
V the researcher's claim.
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