SOLUTION: Find the probabilities. The loan officer rates applicants for credit. Ratings are normally distributed. The mean is 240 and the standard deviation is 50. Find the probability th

Algebra ->  Probability-and-statistics -> SOLUTION: Find the probabilities. The loan officer rates applicants for credit. Ratings are normally distributed. The mean is 240 and the standard deviation is 50. Find the probability th      Log On


   



Question 306311: Find the probabilities.
The loan officer rates applicants for credit. Ratings are normally distributed. The mean is 240 and the standard deviation is 50. Find the probability that an applicant will have a rating greater than 300.

Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Find the z score.
z=%28x-xm%29%2Fsigma
z=%28300-240%29%2F50
z=1.2
P%281.2%29=.88493
P(Score>300)=1-0.88493=0.11507