(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.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.1: Measures Of Center
Problem 9PPS
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I need help with part (c) and (d)
An education researcher claims that 57% of college students work year-round. In a random sample of 600
college students, 342 say they work year-round. At a= 0.05, is there enough evidence to reject the researcher's claim?
Complete parts (a) through (e) below.
choice
(Round to two decimal places as needed.)
OA. The rejection region is z<
OB. The rejection region is z>
O c. The rejection region is
OD. The rejection regions are z<
<ZA
1.96 and z> 1.96
(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.
the null hypothesis. There
enough evidence to
the researcher's claim.
Transcribed Image Text:An education researcher claims that 57% of college students work year-round. In a random sample of 600 college students, 342 say they work year-round. At a= 0.05, is there enough evidence to reject the researcher's claim? Complete parts (a) through (e) below. choice (Round to two decimal places as needed.) OA. The rejection region is z< OB. The rejection region is z> O c. The rejection region is OD. The rejection regions are z< <ZA 1.96 and z> 1.96 (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. the null hypothesis. There enough evidence to the researcher's claim.
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