19. Four-fifths of a certain breed of rabbits are born with thin furs. What is the probability that in a litter of five rabbits: a. exactly 4 will have thin furs? b. at most 3 will have thin furs? c. at least 2 will have thin furs?

19. Four-fifths of a certain breed of rabbits are born with thin furs. What is the probability that in a litter of five rabbits: a. exactly 4 will have thin furs? b. at most 3 will have thin furs? c. at least 2 will have thin furs?

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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7. 64% of all violent felons in the prison system are repeat offenders. If 40 violent felons are randomly selected, find the probability that a. Exactly 23 of them are repeat offenders. ?b. At most 28 of them are repeat offenders. ?c. At least 27 of them are repeat offenders. ?d. Between 23 and 30 (including 23 and 30) of them are repeat offenders. ?