2. Marlin's neighborhood swimming pool opened in June for the summer. At Marlin's neighborhood pool, it was estimated that the number of people at the pool on opening day was 253% of the daily
average number of people who go to the pool throughout the summer. If 432 people came to the pool
on opening day, what is the average number of people per day throughout the summer? Express
your answer to the nearest whole number.

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.