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suppose x~N(5,2.1). what x- value is 1.8 standard deviations to the left of the mean? round...

suppose x~N(5,2.1).

what x- value is 1.8 standard deviations to the left of the mean? round answer two decimal places
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Answer #1

Z = (x - mean) / SD

Z = -1.8

Or, (x - mean) / SD = -1.8

Or, (x - 5) / 2.2 = -1.8

Or, x = 1.04

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