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Question 5 (Mandatory) (10 points) The reading speed of second grade students is approximately normal, with a mean of 90 words per minute and a

Question 5 (Mandatory) (10 points) The reading speed of second grade students is approximately normal, with a mean of 90 words per minute and a standard deviation of 10 words per minute. There is a 5% chance that the mean reading speed of a random sample of 20 second grade students will exceed what value? 94 89 91 O 88

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