Suppose a probability of selecting a supermarket shopper who prefers plastic bag instead of paper bags, is 50% out of a 150 shoppers.How many can you expect?Will prepare plastic bags

Answer 1

Out of 150 shoppers, 50% prefer plastic bags.

Expected number of shoppers who prefer plastic bags = 150 * 0.5 = 75

Therefore, you can expect 75 shoppers who prefer plastic bags and will prepare plastic bags for them.