he reading speed of second grade students in a large city is approximately normal, with a mean of 89 per minute (wpm) and a standard deviation of 10 wpm. Complete parts (a) through (f) (a) What is the probability a randomly selected student in the city will read more than 95 words per minute? (b) 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 95 words per minute? (c) What is the probability that a random sample of 20 second grade students from the city results in a mean reading rate of more than 95 words per minute? (d) What effect does increasing th
The reading speed of second grade students in a large city is approximately normal, with a mean of 89 per minute (wpm) and a standard deviation of 10 wpm. Complete parts (a) through (f)
(a) What is the probability a randomly selected student in the city will read more than 95 words per minute?
(b) 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 95 words per minute?
(c) What is the probability that a random sample of 20 second grade students from the city results in a mean reading rate of more than 95 words per minute?
(d) What effect does increasing the
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