Let p denote the proportion of grocery store customers who u

Let p denote the proportion of grocery store customers who use the store\'s club card. For a large-sample z test of H₀: p = .5versus H_a: p > .5, find the P-value associated with each of the given values of the test statistic. (Enter your answers to four decimal places.)

(a)    

1.20

(b)    

0.37

(c)    

1.97

(d)    

2.65

?0.15

Solution

(a)

For z-score 1.20, p-value of the test is 0.11507.

(b)

p-value: 0.355691

(c)

p-value: 0.024419

(d)

p-value: 0.004025

(e)

p-value:0.440382