Question

Suppose the mean income of firms in the industry for a year is 80 80 million dollars with a standard deviation of 9 9 million dollars. If incomes for the industry are distributed normally, what is the probability that a randomly selected firm will earn less than 98 98 million dollars? Round your answer to four decimal places.

Answer 1

Answer: 0.9772

Step-by-step explanation: I am not sure how to do it step by step. But I think this would be the answer. Not sure If it is right.