Probability that children has a mean height of less than 40

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Question:

Kindergarten children have heights that are approximately normally distributed about a mean of 38.3 inches and a standard deviation of 1.6 inches.

If a random sample of 27 is taken, what is the probability that the sample of kindergarten children has a mean height of less than 40.5 inches?

Reference no: EM132190601

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