Question

22. The Wall Street Journal (Feb. 15, 1972) reported that General Electric was sued in Texas for sex discrimination after imposing a height requirement of 57 67" The suit claimed that this restriction eliminated more than 94% of adult females from consideration for employment by GE. If the height of adult women is normally distributed with a mean of '6" (66") and a standard deviation of 2", what proportion of adult women would be excluded from employment as a result of the height restriction? 23. SAT scores (out of 2400) are distributed normally with a mean of 1500 and a standard deviation of 300. Suppose a school council awards a certificate of excellence to all students who score at least 2100 on the SAT, and suppose we pick one of the recognized students at random. What is the probability this student's score will be at least 2100? 24. The distribution of passenger vehicle speeds traveling on the Interstate 5 Freeway (I-5) in California is nearly normal with a mean of 72.6 miles/hour and a standard deviation of 4.78 miles/hour. How fast do the fastest 5% of passenger vehicles travel?

Answer 1

Q22.

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Q23.

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Q24.

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