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34 votes
34 votes
Mr. Emmer gave a test in his Chemistry class. The scores were normally distributed with a mean of 82 and a standard deviation of 4. A student is randomly chosen. What is the probability that the student scores an 88 or below?

User Morty
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1 Answer

15 votes
15 votes

Answer:

93.32 %

Explanation:

88 - 82 = 6 points

this is 6 /4 = z-score + 1.5

from z score table , this corresponds to .9332 or 93.32 %

User Auro
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