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Problem 4: Teen smoking According to a report published by the Centers for Disease Control and Prevention,...

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Basic Math

Problem 4: Teen smoking

According to a report published by the Centers for DiseaseControl and Prevention, about 20 percent of high school studentscurrently use a tobacco product. This number of down from 23percent in 2014.(https://www.cdc.gov/tobacco/data_statistics/fact_sheets/youth_data/tobacco_use/index.htm).We would like to conduct a study to evaluate high school students’attitudes toward scenes of smoking in the movies. Suppose yourandomly select students to survey them on their opinion about thisquestion.

a) What is the probability that none of thefirst 4 students you interview is a smoker? (1 point)

b) What is the probability that there are nomore than two smokers among 10 students you randomly choose? (2points)

c) What is the probability that exactly 3 outof a new sample of 10 students do not smoke? (1 point)

Answer & Explanation Solved by verified expert
3.8 Ratings (457 Votes)
We can do these as Binomial probabilityBinomial Probability nCx px qnx where n number of    See Answer
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