subject
Mathematics, 10.03.2020 09:13 fseftrwer4378

Suppose the mean income of firms in the industry for a year is 90 million dollars with a standard deviation of 7 million dollars. If incomes for the industry are distributed normally, what is the probability that a randomly selected firm will earn less than 97 million dollars? Round your answer to four decimal places.
I need help learning how to do this on a ti-84 plus calculator. Could someone please help out?

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 21:30
The length of a field is 100 yards and its width is 75 yards. if 1 inch represents 25 yards, what would be the dimensions of the field drawn on a sheet of paper?
Answers: 1
question
Mathematics, 22.06.2019 00:10
The mass of a marine organism, in pounds, p years after it is born is given by the polynomial function r(p) = -4p2 + 300p. find the mass when p = 20 years.
Answers: 1
question
Mathematics, 22.06.2019 02:00
Taylor graphs the system below on her graphing calculator and decides that f(x)=g(x) at x=0, x=1, and x=3. provide taylor with some feedback that explains which part of her answer is incorrect and why it is incorrect. f(x)= 2x+1 g(x)= 2x^2+1
Answers: 2
question
Mathematics, 22.06.2019 02:00
Huong is organizing paperback and hardback books for her club's used book sale. the number of paperbacks is 12 less than three times the number of hardbacks. huong had 162 paperbacks. how many hardback books were there?
Answers: 1
You know the right answer?
Suppose the mean income of firms in the industry for a year is 90 million dollars with a standard de...
Questions
question
Social Studies, 25.11.2019 19:31
question
Mathematics, 25.11.2019 19:31
Questions on the website: 13722367