Aresearcher finds that of 1000 people who said that they attend a religious service at least once a week, 31 stopped to a person with car trouble. of 1200 people interviewed who had not attended a religious service at least once a month, 22 stopped to a person with car trouble. at the 0.05 significance level, test the claim that the two proportions are different.

Out of 1000 people who said that they attend a religious service at least once a week, 31 stopped to help a person with car trouble

Of 1200 people interviewed who had not attended a religious service at least once a month, 22 stopped to help a person with car trouble.

We will use Comparing Two Proportions

i.e. religion service makes no difference

 i.e. religion service makes difference

Formula of test statistic :

Substitute the values  

test statistic :

Refer the z table for p value

p value = 0.9726

α=0.05

p value >α

So, we failed to reject null hypothesis

Hence religion service makes no difference    

78.59 is the mean

step-by-step explanation:

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