Ring college students are employed as teachers or teaching assistants. In a random sample of 400 working college students, 6% 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. Ha:pz Ha: p< (b) Find the critical value(s) and identify the rejection region(s). Identify the critical value(s) for this test. Zo = 1.65 (Round to two decimal places as needed. Use a comma to separate answers as needed.) 1.65. B. The rejection region is OC. The rejection region is z< OD. The rejection regions are z< (c) Find the standardized test statistic z. and z> Ha: ps Z= (Round to two decimal places as needed.)
Ring college students are employed as teachers or teaching assistants. In a random sample of 400 working college students, 6% 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. Ha:pz Ha: p< (b) Find the critical value(s) and identify the rejection region(s). Identify the critical value(s) for this test. Zo = 1.65 (Round to two decimal places as needed. Use a comma to separate answers as needed.) 1.65. B. The rejection region is OC. The rejection region is z< OD. The rejection regions are z< (c) Find the standardized test statistic z. and z> Ha: ps Z= (Round to two decimal places as needed.)
Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter7: Distance And Approximation
Section7.3: Least Squares Approximation
Problem 31EQ
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An education researcher claims that at most 5% of working college students are employed as teachers or teaching
assistants. In a random sample of 400 working college students, 6% 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.
H₂:pz
Ha: p<
(b) Find the critical value(s) and identify the rejection region(s).
Identify the critical value(s) for this test.
Zo =
=
1.65
(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.)
A. The rejection region is z> 1.65.
OB. The rejection region is
Oc. The rejection region is z<
OD. The rejection regions are z<
(c) Find the standardized test statistic z.
<Z<
Ha:ps
and z>
Z=
(Round to two decimal places as needed.)
rc
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