What percentage are at or above the tenth percentile

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Reference no: EM13911648

Recall from Exercise 6.32 that yearly returns on common stocks are normally distributed with a mean of 12.4 percent and a standard deviation of 20.6 percent.

a. What percentage of yearly returns are at or below the 10th percentile of the distribution of yearly returns? What percentage are at or above the 10th percentile? Find the 10th percentile of the distribution of yearly returns.

b. Find the first quartile, Q1:

c. and the third quartile, Q3:

d. of the distribution of yearly returns.

Text Book: Business Statics in Practice By BOWERMAN.

Reference no: EM13911648

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