(a) Suppose that 20 % persons in a large group of people are obese. If persons are checked one by one, what is the probability that the 10th person is the third obese person? (b) Let a discrete random variable X have the following PMF: p(x) = k (-). for x = 0,1,2, . .; 0, otherwise. Find k. (c) In a class of 6 students, what is the probability that at least one was born in January?

(a) Suppose that 20 % persons in a large group of people are obese. If persons are checked one by one, what is the probability that the 10th person is the third obese person? (b) Let a discrete random variable X have the following PMF: p(x) = k (-). for x = 0,1,2, . .; 0, otherwise. Find k. (c) In a class of 6 students, what is the probability that at least one was born in January?

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section11.8: Probabilities Of Disjoint And Overlapping Events

Problem 2C

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