According to a recent​ study, 64​% of households from a certain large region no longer have a landline and instead only have cell phone service. Suppose three households from the region are selected at random.   a. What is the probability that all three have only cell phone​ service? b. What is the probability that at least one has only cell phone​ service?

College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 4ECP: Show that the probability of drawing a club at random from a standard deck of 52 playing cards is...
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According to a recent​ study,
64​%
of households from a certain large region no longer have a landline and instead only have cell phone service. Suppose three households from the region are selected at random.
 
a. What is the probability that all three have only cell phone​ service?
b. What is the probability that at least one has only cell phone​ service?
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