4.93 Suppose x is a normally distributed random variable with μ = 11 and σ = 2. Find each of the following: a. P(10 ≤ x ≤ 12) b. P(6 ≤ x ≤ 10) c. P(13 ≤ x ≤ 16) d. P(7.8 ≤ x ≤ 12.6) e. P(x > 13.24) f. P(x > 7.62)

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