Mathematics, 29.01.2020 20:54 tiwaribianca475
The scores on an exam are normally distributed, with a mean of 74 and a standard deviation of 7. what percent of the scores are less than 81?
a. 13.5%
b. 84%
c. 16%
d. 50%
Answers: 2
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The scores on an exam are normally distributed, with a mean of 74 and a standard deviation of 7. wha...
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