# E-PolyLearning

 31. Consider the probability distribution as standard normal, if the value of μ is 75, the value of x is 120 with the unknown standard deviation of distribution then the value of z-statistic a. will be one b. will be zero c. will be negative d. will be positive

 32. If the value of p is 0.60 and value of n is 3 whereas the random variable x is equal to 4 then the value of z-score of distribution is a. 1.59 b. 2.59 c. 2.68 d. 0.59