Are you an impulse shopper? A survey of 500 grocery shoppers indicated that 29% of males and 40% of females make an impulse purchase every time they shop. Assume that the survey consisted of 250 males and 250 females.

Soruce: Data extracted from Women shoppers are impulsive while men snap up bargains, available at bit.ly/2sLYmVx.

a. At the 0.05 level of significance, is there evidence of a difference in the proportion of males and females who make an impulse purchase every time they shop?

b. Find the p-values and interpret its meaning.