Suppose the mean income of firms in the industry for a year is 30 million dollars with a standard deviation of 1 million dollars. If incomes for the industry are distributed normally, what is the probability that a randomly selected firm will earn less than 31 million dollars? Round your answer to four decimal places.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 4CYU
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Suppose the mean income of firms in the industry for a year is 30 million dollars with a standard deviation of 1 million dollars. If incomes for the
industry are distributed normally, what is the probability that a randomly selected firm will earn less than 31 million dollars? Round your answer to
four decimal places.
Transcribed Image Text:Suppose the mean income of firms in the industry for a year is 30 million dollars with a standard deviation of 1 million dollars. If incomes for the industry are distributed normally, what is the probability that a randomly selected firm will earn less than 31 million dollars? Round your answer to four decimal places.
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