Is this right? Trying to get all my work done please hurry!!

What is the solution set of the quadratic inequality x^2-5< or equal to 0

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.

3/4 = c/36 i need with this fraction proble.