Let X be a normal random variable with mean 4 and variance 9.

Use the normal table to find the following probabilities, to an accuracy of 4 decimal places.

Let X be a normal random variable with mean 4 and variance 9. Use the normal table to nd the following probabilities, to an accuracy of 4 decimal places. Normal Table a)P(X g 5.2) = b)P(X 2 2.8) = c)P(X g 2.2) =