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Question: an educational psychologist wishes to know the mean number of...

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An educational psychologist wishes to know the mean number of words a third grader can read per minute. She wants to make an estimate at the 99 % level of confidence. For a sample of 1584 third graders, the mean words per minute read was 35.7 . Assume a population standard deviation of 3.3 . Construct the confidence interval for the mean number of words a third grader can read per minute. Round your answers to one decimal place.

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