4. Carly’s employer pays 95% of her health insurance premium and deducts the remainder from her paycheck. How much is deducted from each of her paychecks if she is paid biweekly and the annual premium is $10,818.

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.