Assume that x has a normal distributionwith specified meanand standard deviation. Find the indicated probabilities.

a. P(14< x <18), mu = 12, sigma= 1.3____________

b. P(X>120), mu= 116, sigma= 4.7____________

c. P(x<206), mu= 192, sigma= 4.8____________

Please refer attached file for missing expressions.

Solution

First we should find the Z score, so that we may use standard …

The solution depicts the steps to calculate the indicated probability values with the help of information provided.