Three unbiased coins are tossed. What is the probability of getting at most two heads? Select one: O a. 1/8 O b. 1/4 O c. 7/8 O d. 3/4

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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Three unbiased coins are tossed. What is the probability of getting at most
two heads?
Select one:
O a. 1/8
O b. 1/4
О с. 7/8
O d. 3/4
Transcribed Image Text:Three unbiased coins are tossed. What is the probability of getting at most two heads? Select one: O a. 1/8 O b. 1/4 О с. 7/8 O d. 3/4
Three unbiased coins are tossed. What is the probability of getting at least 2
heads?
Select one:
О а. 1/3
O b. 1/4
О с. 1/2
O d. 1/8
Transcribed Image Text:Three unbiased coins are tossed. What is the probability of getting at least 2 heads? Select one: О а. 1/3 O b. 1/4 О с. 1/2 O d. 1/8
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