33. Windy Frisco. The mean wind speed in San Francisco is 13.6 mph in July, according to the U.S. National Oceanic and Atmospheric Administration. Suppose that the distribution of the wind speed in July in San Francisco is normal with mean and standard deviation . Find the probability that a randomly chosen day in July has the following wind speeds:
6.5.33
(a) 0.1423 (b) 0.1423 (c) 26.67% (d) (e) -score is −2.27; moderately unusual