An experiment consists of tossing a coin three times and observing the sequence of heads and tails. Each of the eight outcomes has the same probability of occurring. ​(a) What is the probability of the event​ "at least one tail​"? ​(b) What is the probability that ​"HTH​" is the​ outcome? ​(a) What is the probability of the event​ "at least one tail​"?   ​Pr(at least one tail​)=nothing ​(Type an integer or a simplified​ fraction.)

College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 6ECP: In Pennsylvania’s Cash 5 game, a player chooses five different numbers from 1 to 43. If these five...
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An experiment consists of tossing a coin
three
times and observing the sequence of heads and tails. Each of the
eight
outcomes has the same probability of occurring.
​(a) What is the probability of the event​ "at least one
tail​"?
​(b) What is the probability that
​"HTH​"
is the​ outcome?
​(a) What is the probability of the event​ "at least one
tail​"?
 
​Pr(at least one
tail​)=nothing
​(Type an integer or a simplified​ fraction.)
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