SOLUTION: Given that x is a normally distributed random variable with a mean of 28 and a standard deviation of 7, find the following probabilities: P (x < 48)

Algebra ->  Probability-and-statistics -> SOLUTION: Given that x is a normally distributed random variable with a mean of 28 and a standard deviation of 7, find the following probabilities: P (x < 48)       Log On


   

Question 866348: Given that x is a normally distributed random variable with a mean of 28 and a standard deviation of 7, find the following probabilities:
P (x < 48)

Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Calculate the z score.
z=%2848-28%29%2F7=2.857
P%28z%29=0.997863