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In June of 1997, Australians were asked if they thought unemployment would increase, and 52% thoughtthat it would increase. In December of 1997, they were asked again. At that time 745 out of 1354 saidthat they thought unemployment would increase. At the 5% level, is there enough evidence to show thatthe proportion of Australians in December 1997 who believe unemployment would increase is less than theproportion who felt it would increase in June 1997? (a) Identify the null and alternative hypotheses. (b) Determine if the sample size is large enough. (c) Determine whether or not to reject the null hypothesis.   please answer a,b,c  thank you

In June of 1997, Australians were asked if they thought unemployment would increase, and 52% thoughtthat it would increase. In December of 1997, they were asked again. At that time 745 out of 1354 saidthat they thought unemployment would increase. At the 5% level, is there enough evidence to show thatthe proportion of Australians in December 1997 who believe unemployment would increase is less than theproportion who felt it would increase in June 1997? (a) Identify the null and alternative hypotheses. (b) Determine if the sample size is large enough. (c) Determine whether or not to reject the null hypothesis.   please answer a,b,c  thank you

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 10CYU
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In June of 1997, Australians were asked if they thought unemployment would increase, and 52% thoughtthat it would increase. In December of 1997, they were asked again. At that time 745 out of 1354 saidthat they thought unemployment would increase. At the 5% level, is there enough evidence to show thatthe proportion of Australians in December 1997 who believe unemployment would increase is less than theproportion who felt it would increase in June 1997?

(a) Identify the null and alternative hypotheses.

(b) Determine if the sample size is large enough.

(c) Determine whether or not to reject the null hypothesis.

 

please answer a,b,c 

thank you

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