A market research firm conducts telephone surveys with a 30% historical response rate.

1. A market research firm conducts telephone surveys with a 30% historical response rate. What is theprobability that in a new sample of 300 telephone numbers, at least 75 individuals will cooperate andrespond to the questions? In other words, what is the probability that the sample proportion p will be atleast 75/300 = 0.25? 0.9706