6. In a college, 400 students are graduating this semester. According to the school policy, each student is allowed to invite up to 3 people to the graduation ceremony. Based on the experience from the past, the school estimates the probabilities that a student will bring 0, 1, 2, and 3 people are 10%, 40%, 30% and 20% respectively. Assume the estimation is correct and the college prepares 680 chairs for the invited people, what is the probability that every invited person will have a seat in the graduation ceremony?
6. In a college, 400 students are graduating this semester. According to the school policy, each student is allowed to invite up to 3 people to the graduation ceremony. Based on the experience from the past, the school estimates the probabilities that a student will bring 0, 1, 2, and 3 people are 10%, 40%, 30% and 20% respectively. Assume the estimation is correct and the college prepares 680 chairs for the invited people, what is the probability that every invited person will have a seat in the graduation ceremony?
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
Section13.CR: Chapter 13 Review
Problem 61CR
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