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A school newspaper reporter decides to randomly survey 12 students to see if they will attend Tet (Vietnamese New Year) festivities this year. Based on past years, she knows that 18% of students attend Tet festivities. We are interested in the number of students who will attend the festivities. a. In words, define the random variable X. b. List the values that X may take on. C. Give the distribution of X. X ~ d. How many of the 12 students do we expect to attend the festivities? e. Find the probability that at most four students will attend. f. Find the probability that more than two students will attend.

A school newspaper reporter decides to randomly survey 12 students to see if they will attend Tet (Vietnamese New Year) festivities this year. Based on past years, she knows that 18% of students attend Tet festivities. We are interested in the number of students who will attend the festivities. a. In words, define the random variable X. b. List the values that X may take on. C. Give the distribution of X. X ~ d. How many of the 12 students do we expect to attend the festivities? e. Find the probability that at most four students will attend. f. Find the probability that more than two students will attend.

College Algebra
College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter9: Counting And Probability
Section9.2: Probability
Problem 63E
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87545 A H. K 1 A school newspaper reporter decides to randomly survey 12 students to see if they will attend Tet (Vietnamese New Year) festivities this year. Based on past years, she knows that 18% of students attend Tet festivities. We are interested in the number of students who will attend the festivities. a. In words, define the random variable X. 6. b. List the values that X may take on. 7. 8. c. Give the distribution of X. X~ 9. 10 d. How many of the 12 students do we expect to attend the festivities? 11 12 e. Find the probability that at most four students will attend. 13 14 f. Find the probability that more than two students will attend. 15 16
Transcribed Image Text:87545 A H. K 1 A school newspaper reporter decides to randomly survey 12 students to see if they will attend Tet (Vietnamese New Year) festivities this year. Based on past years, she knows that 18% of students attend Tet festivities. We are interested in the number of students who will attend the festivities. a. In words, define the random variable X. 6. b. List the values that X may take on. 7. 8. c. Give the distribution of X. X~ 9. 10 d. How many of the 12 students do we expect to attend the festivities? 11 12 e. Find the probability that at most four students will attend. 13 14 f. Find the probability that more than two students will attend. 15 16
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