Question
The reading speed of second grade students in a large city is approximately normal, with a mean of 90 words per minute (wpm) and a
The reading speed of second grade students in a large city is approximately normal, with a mean of
90 words per minute (wpm) and a standard deviation of 10 wpm. Complete parts (a) through (f).
(c) What is the probability that a random sample of 28 second grade students from the city results in a mean reading rate of more than 95 words per minute?
The probability is .
(Round to four decimal places as needed.)
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Applied Regression Analysis
Authors: Norman R Draper, Harry Smith
3rd Edition
1118625625, 9781118625620
