Question: A 90% confidence interval for the mean age (in weeks) at which a baby first crawls was reported to be (32, 46). The margin of

A 90% confidence interval for the mean age (in weeks) at which a baby first crawls was reported to be (32, 46).

Themargin of errorfor this confidence interval is:

A.Not enough information is provided to answer this question

B.14

C.21

D.7

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