1) Most graduate schools of business require applicants for admission to take the Graduate Management Admission Council s GMAT examination. Scores on the GMAT are roughly normally distributed with a mean of 527 and a standard deviation of 112. What is the probability of an individual scoring above 500 on the GMAT?

a) 0.5948

b) 0.4941

c)0.6945

d) answer not given

2) "A Project Manager determined that T is a continuous random variable indicating the project completion time. If expected value of project completion time is0.775 then what is the probability that it will be completed in it. The probability density function (PDF) of T , i.e. f(t) is given by : "

a) 41.31%

b) 50%

c) 39.21%

d) 100%

3) If normal random variable from a normally distributed population with mean 21 and standard deviation 4, is 15. The value of standard normal random variable will be ____________"

a) -1.5

b) 1.5

c) 2.4

d) -2.4