with μ = 12 and d a. P(x214) b. P(x≤9) c. P(12.56 ≤x≤ 17.32) d. P(7.16 ≤x≤ 14.9) Click here to view a table of areas under the standardized normal curve. a. P(x2 14)=(Round to three decimal places as needed.) Table of Normal Curve Areas 123456789232 I x

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