An sample has a mean of 49 and a standard deviation of 6.6.
(a) Find the z-score for each value of x = 54. (Give your answer correct to two decimal places.)
(b) Find the z-score for each value of x = 62. (Give your answer correct to two decimal places.)
(c) Find the z-score for each value of x = 47. (Give your answer correct to two decimal places.)
(d) Find the z-score for each value of x = 41. (Give your answer correct to two decimal places.)