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

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) (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 

RELATED QUESTIONS

The distribution of temperatures for days in May in a certain area is approximately... (answered by ewatrrr)
A fever is any body temperature above the mean temperature, in practice a person is... (answered by Boreal)
The average length of stay in a chronic disease hospital for a certain type of patient is  (answered by stanbon)
The daily low temperatures in degrees Fahrenheit for a certain week were �3, 1, 4, �5,... (answered by hotrodd)
Please help:
The daily low temperatures in degrees Fahrenheit for a certain week were... (answered by edjones)
Identify the distribution of the sample mean. In particular, state whether the... (answered by stanbon)
The weights of people in a certain population are normally distributed with a mean of 154  (answered by Boreal)
The daily low temperatures in degrees Fahrenheit for a certain week were �3, 1, 4, �5,... (answered by jim_thompson5910)
In a certain book, the frequency distribution of the number of words per page may be... (answered by ikleyn,Theo)