(a) A news report stated that 65% of the vehicles sold nationally were SUVs. A random sample of 100 vehicles sold in the last month is taken. What is the probability that at least 70 of the vehicles in the sample were SUVs?
(b) A local florist says that 85% of all flowers sold for Valentine's Day are roses. Consider a random sample of 150 orders for Valentine's Day flowers. What is the probability that less than 80% of the orders in the sample are for roses?