SOLUTION: The reading speed of second grade students is approximately​ normal, with a mean of 90 words per minute​ (wpm) and a standard deviation of 10 wpm. What is the probabi

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Question 1099817: The reading speed of second grade students is approximately​ normal, with a mean of 90 words per minute​ (wpm) and a standard deviation of 10 wpm.
What is the probability a randomly selected student will read more than 95 words per​ minute?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Generate the z score.
z=%28x-mu%29%2Fsigma
z=%2895-90%29%2F10
z=5%2F10
z=1%2F2
Find P%28z=1%2F2%29.
Then the solution will be the complement of that value.
P=1-P%28z=1%2F2%29