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A First Course in Probability (10th Edition)
10th Edition
ISBN: 9780134753119
Author: Sheldon Ross
Publisher: PEARSON
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![3. The scores on the Wechsler Adult Intelligence Scale are approximately Normal with
mean 100 and standard deviation 15. The proportion of adults with scores above 100 is
closest to
a. 0.50.
b. 0.66.
c. 0.82.
d. 0.99.](https://content.bartleby.com/qna-images/question/eb9a676d-fe85-4d74-88bf-ad0967d6081b/52d39a7f-803a-4898-a259-43d396d5934c/81fjvcj_thumbnail.jpeg)
Transcribed Image Text:3. The scores on the Wechsler Adult Intelligence Scale are approximately Normal with
mean 100 and standard deviation 15. The proportion of adults with scores above 100 is
closest to
a. 0.50.
b. 0.66.
c. 0.82.
d. 0.99.
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