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(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?

College Algebra
College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 4ECP: Show that the probability of drawing a club at random from a standard deck of 52 playing cards is...
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plz solve all parts within 30-40 mins I'll upvote your answer
(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?
Transcribed Image Text:(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?
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