Question: Assume a normal distribution and find the following probabilities. a. P(x < 21 | = 25 and = 4) b. P(x 77

Assume a normal distribution and find the following probabilities.

a. P(x < 21 | µ = 25 and σ = 4)

b. P(x ≥ 77 | µ = 50 and σ = 9)

c. P(x > 47 | µ = 50 and σ = 6)

d. P(13 < x < 29 | µ = 23 and σ = 4)

e. P(x ≥ 105 | µ = 90 and σ = 2.86


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