Sampson gets 12 hits for 15 times at bat. What percent of the time does sampson gets a hit?

The price of a coat increased from $78 to $92. what is the price increase percentage?

15 and 14.7 are 1 apart, so 15 – 14.7 must be 1.

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.