Concept explainers
In Exercises 6.165–6.172, apply Procedure 6.3 on page 299 to approximate the required binomial probabilities.
6.167 High School Graduates. According to the document Current Population Survey, published by the U.S. Census Bureau, 30.4% of U.S. adults 25 years old or older have a high school degree as their highest educational level. If 100 such adults are selected at random, determine the
- a. exactly 32.
- b. between 30 and 35, inclusive.
- c. at least 25.
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