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The reading speed of second grade students in a large city is approximately normal, with a...

The reading speed of second grade students in a large city is approximately normal, with a mean of 88 words per minute (wpm) and a standard deviation of 10 wpm.

What is the probability that a random sample of 10 second grade students from the city results in a mean reading rate of more than 94 words per minute?

(Round to four decimal places as needed)
Math   Statistics-And-Probability   
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Answer #1

Let denotes the mean reading rate for a random sample of 10 second grade students from the large city.

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The probability that a random sample of 10 second grade students from the city results in a mean reading rate of more than 94 words per minute

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