A person has a 30 percent chance of winning on a scratch-off lottery ticket. What is the probability she first wins of the fifth ticket a. (5/1 ) (0.30)3 (0.70). b. (5/4 ) (0.70)3 (0.30). c. (0.70)^4 (0.30). d. (0.30)^3 (0.70). e. 0.30.

A person has a 30 percent chance of winning on a scratch-off lottery ticket. What is the probability she first wins of the fifth ticket a. (5/1 ) (0.30)3 (0.70). b. (5/4 ) (0.70)3 (0.30). c. (0.70)^4 (0.30). d. (0.30)^3 (0.70). e. 0.30.

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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Question

A person has a 30 percent chance of winning on a scratch-off lottery ticket. What is the probability she first wins of the fifth ticket

a. (5/1 ) (0.30)3 (0.70).
b. (5/4 ) (0.70)3 (0.30).
c. (0.70)^4 (0.30).
d. (0.30)^3 (0.70).
e. 0.30.

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