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4. What is the probability that the man writes one and receives one letter? Options A : 0.05 B: 0.12 C: 0.23 D: 0.56 E : 0.30 5. What is the probability that the man writes one letter? 6. What is the conditional probability that the man will write two letters in a week during which he receives one? Options for Questions 5 and 6 A : 0.30 B: 0.24 C:0.125 D: 0.167 E : 0.55 F: 0.50

4. What is the probability that the man writes one and receives one letter? Options A : 0.05 B: 0.12 C: 0.23 D: 0.56 E : 0.30 5. What is the probability that the man writes one letter? 6. What is the conditional probability that the man will write two letters in a week during which he receives one? Options for Questions 5 and 6 A : 0.30 B: 0.24 C:0.125 D: 0.167 E : 0.55 F: 0.50

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
Section9.3: Binomial Probability
Problem 33E: Sick leave probability that a given worker at Dyno Nutrition Will call in sick on a Monday is 004....
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The number of letters, X, written by a man and the number of letters, Y, that he receives in one week have the following joint probability mass function: Y p(x, y)0 1 2 3 0.01 0.02 0.06 0.01 X 1 0.12 0.23 0.12 0.03 2 0.07 0.05 0.22 0.06 4. What is the probability that the man writes one and receives one letter? Options A : 0.05 B: 0.12 C: 0.23 D: 0.56 E: 0.30 5. What is the probability that the man writes one letter? 6. What is the conditional probability that the man will write two letters in a week during which he receives one? Options for Questions 5 and 6 A : 0.30 B: 0.24 C:0.125 D: 0.167 E: 0.55 F:0.50
Transcribed Image Text:The number of letters, X, written by a man and the number of letters, Y, that he receives in one week have the following joint probability mass function: Y p(x, y)0 1 2 3 0.01 0.02 0.06 0.01 X 1 0.12 0.23 0.12 0.03 2 0.07 0.05 0.22 0.06 4. What is the probability that the man writes one and receives one letter? Options A : 0.05 B: 0.12 C: 0.23 D: 0.56 E: 0.30 5. What is the probability that the man writes one letter? 6. What is the conditional probability that the man will write two letters in a week during which he receives one? Options for Questions 5 and 6 A : 0.30 B: 0.24 C:0.125 D: 0.167 E: 0.55 F:0.50
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