What is the probability that it assumes the values

Reference no: EM131830883

If a random variable has a nom1al distribution with mean.80 and standard deviation 20. what is the probability that it assumes the following values?

(a) Less than 77.4

(b) Between 61.4 and 72.9

(d) Less than 67.6 or greater than 88.8

(e) Between 92.1 and 95.4

(f) Between 75.0 and 84.2

(g) Exactly 81.7

Reference no: EM131830883

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