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Gala2k [10]
3 years ago
9

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%
Mathematics
1 answer:
Molodets [167]3 years ago
7 0

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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