SOLUTION: The distribution of temperatures for days in May in a certain area is approximately normal with mean of 78 Fahrenheit and standard deviation of 3.87 Fahrenheit. Determine the lowe

Algebra ->  Probability-and-statistics -> SOLUTION: The distribution of temperatures for days in May in a certain area is approximately normal with mean of 78 Fahrenheit and standard deviation of 3.87 Fahrenheit. Determine the lowe      Log On


   

Question 871641: The distribution of temperatures for days in May in a certain area is approximately normal with mean of 78 Fahrenheit and standard deviation of 3.87 Fahrenheit. Determine the lowest temperature expected for the hottest 10% of days in May for that area.
Enter your response to the nearest whole number (no decimal places).
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi

invNorm(.90) = 1.282

1.282 = (X - 78)/3.87

1.282*3.87 + 78 =  4.96 + 78 = X = 83 degrees