Recall that the scores in Mr. Young’s class had a mean of 78 and a standard deviation of 8. About what percent of students score
d between 78% and 94%?
A. 47.5%
B. 34%
C. 13.5%
D. 68%
1 answer:
Answer:
B. 34%.
Step-by-step explanation:
94 - 78 = 16 which is 2 times the standard deviation from the mean.
For a normal distribution this is 34% of the total students.
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