The data in the contingency table to the right count the number of male and female shoppers who accept or reject a discounted offer in return for supplying a retailer with an email address. Consider using these data to test the null hypothesis that gender and acceptance are independent ​(H0​). ​(a) Find the degrees of freedom of χ2. ​(b) Find the expected number of women who reject if H0 holds. ​(c) Find the value of χ2 for testing H0. ​(d) Find the​ p-value for testing H0. Male Female   Accept 55 45   Reject 45 55

The data in the contingency table to the right count the number of male and female shoppers who accept or reject a discounted offer in return for supplying a retailer with an email address. Consider using these data to test the null hypothesis that gender and acceptance are independent

​(H0​).
​(a) Find the degrees of freedom of

χ2.
​(b) Find the expected number of women who reject if

H0

holds.

​(c) Find the value of

χ2

for testing

H0.
​(d) Find the​ p-value for testing

H0.
Male
Female
 
Accept
55
45
 
Reject
45
55
 

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