(Solved):
A random variable is normally distributed with a mean of =90 and a standard deviation of =10. ...
A random variable is normally distributed with a mean of ?=90 and a standard deviation of ?=10. 120). Areas Under the Curve for any Normal Distribution
Sketch a normal curve for the probability density function. Label the horizontal axis with values of 60,70,80,90,100,110, and 120 . (d) (2) (2) (i)
(b) What is the probability the random variable will assume a value between 60 and 120 ? (Round your answer to three decimal places.) (c) What is the probability the random variable will assume a value between 70 and 110 ? (Round your answer to three decimal places.)