A student organization contains 60% Democrats, 30% Republicans, and 10% independents. The organization has 50 members in total, and it takes a poll by randomly selecting (without replacement) 5 of its members to call. (a) What is the chance that the first two members called are both Democrats? (b) What is the chance

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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A student organization contains 60% Democrats, 30% Republicans, and 10%
independents. The organization has 50 members in total, and it takes a poll by randomly
selecting (without replacement) 5 of its members to call.

(a) What is the chance that the first two members called are both Democrats?


(b) What is the chance that the first two members called are both not independents?


(c) What is the chance that no independents are called among all 5 calls?


(d) If the first 4 students called are Democrats, what is the chance that the 5th called
will be a Republican? 

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