A.) Determine P(-1.23

a. 0.3907 b. 0.1736 c. 0.5643 d. 0.2171 e. not given

B.) In a population of normally distributed aptitude scores of 1000 academy students with mean 70 and

Standard deviation 10, how many score above 95?

a. 494 b. 6 c. 25 d. 250 e. not given

C.) Assume Ho: mu

a. 1.414 b. 0.483 c. 0.017 d. 2.12 e. not given

D.) True/False: For a normally distributed population of heights of 10,000 women, m = 63 inches and s = 5 inches. The number of heights in the population that fall between 66 and 68 inches is 1156.

E.) True/False: If floodlight life is normally distributed with mean 3500 hours and standard deviation of 200 hours,

then the proportion of those lasting longer than 4000 hours is 0.062.