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Intro to Stat_Part_22

# Intro to Stat_Part_22 - 80 CHAPTER 4 DISCRETE RANDOM...

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80 CHAPTER 4. DISCRETE RANDOM VARIABLES C. All of the data have the same value. D. There are no data to begin with. Exercise 4.51: REVIEW QUESTION 8 (Solution on p. 85.) The statement that best describes the illustration below is: Figure 4.1 A. The mean is equal to the median. B. There is no first quartile. C. The lowest data value is the median. D. The median equals ( Q 1 + Q 3 ) 2 Exercise 4.52: REVIEW QUESTION 9 (Solution on p. 85.) According to a recent article (San Jose Mercury News) the average number of babies born with significant hearing loss (deafness) is approximately 2 per 1000 babies in a healthy baby nursery. The number climbs to an average of 30 per 1000 babies in an intensive care nursery. Suppose that 1000 babies from healthy nursery babies were surveyed. Find the probability that exactly 2 babies were born deaf. Exercise 4.53: REVIEW QUESTION 10 (Solution on p. 86.) A “friend” offers you the following “deal.” For a \$10 fee, you may pick an envelope from a box containing 100 seemingly identical envelopes. However, each envelope contains a coupon for a

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