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Mathematics, 16.12.2021 05:40 1230bering

The reading speed of second grade students is approximately normal with mean of 90 words per minute (wpm) and a standard deviation of 10 wpm. What is the probability that a random sample of 20 second grade students results in a mean reading rate of more than 95 wpm? (A) 0.0127 (B) 0.9873 (C) 0.3085 (D) 0.3587

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