What is sin b ?

figure shows right triangle a b c. angle c is a right angle. segment a b is 17 units. segment b c is 15 units.

question 2 options:

8
—
17

12
—
17

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.