According to Makkah weather forecasters, the average monthly rainfall in Makkah during the month of December is = 2.09 inches. Assume the monthly precipitation is a normally- distributed random variable with a standard deviation of = 0.48 inches. (a) What is the probability that Makkah will have between 1.5 and 2.5 inches of precipitation next December? A (b) What is the probability that Makkah will have 1 inch or less of precipitation? (c) If Makkah authorities prepare for flood conditions when the monthly precipitation falls in the upper 5% of the normal June amounts, how much rain would have to fall to cause local authorities to begin flood preparations?