The amount of money spent by a customer at a discount store has a mean of $100 and a standard deviation of $30. what is the probability that a randomly selected group of 50 shoppers will spend a total of more than $5700? (hint: the total will be more than $5700 when the sample average exceeds what value? ) (round the answer to four decimal places.)

answer: 8

step-by-step explanation: if you add the possibilities 5 different flavor and 3 different sizes 5+3=8

well if he bought them at 5 cedis each sold them at 7 cedis each then he would make a profit of 2 cedis of each book. if in total he made 150 cedis profit that means he sold 75 books. he lost 12 books at the start so that means he originally bought a total of 82 books.

step-by-step explanation: