Which equation best supports why (25/49)^1/2= 5/7 A. 25/49=(5/7)^2
B. 25/49=(5/7)^1/2
C. (25/49)^2=5/7
D. (25/49)^1/2=(5/7)^2

According to a study conducted in 2015, 18% of shoppers said that they prefer to buy generic instead of name-brand products. suppose that in a recent sample of 1500 shoppers, 315 stated that they prefer to buy generic instead of name-brand products. at a 5% significance level, can you conclude that the proportion of all shoppers who currently prefer to buy generic instead of name-brand products is higher than .18? use both the p-value and the critical-value approaches.