Suppose n = 16, = 2, and = 30. Assume normality and determine (a) P(X

Suppose n = 16, σ = 2, and μ = 30.

Assume normality and determine (a)

P(X¯ ≤ 29),

(b) P(X¯ > 30.5),

(c) P(29 ≤ X¯ ≤ 31)