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Let x be normally distributed with mean 18 and standard


Let X be normally distributed with mean μ = 18 and standard deviation σ = 8. Use Table 1.

a. Find P(X ≤ 2). (Round "z" value to 2 decimal places and final answer to 4 decimal places.)

P(X ≤ 2)

b. Find P(X > 4). (Round "z" value to 2 decimal places and final answer to 4 decimal places.)

P(X > 4)

c. Find P(8 ≤ X ≤ 16). (Round "z" value to 2 decimal places and final answer to 4 decimal places.)

P(8 ≤ X ≤ 16)

d. Find P(12 ≤ X ≤ 22). (Round "z" value to 2 decimal places and final answer to 4 decimal places.)

P(12 ≤ X ≤ 22)

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