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A biased coin comes up heads 60% of the time. The coin is tossed 4 times. a. What is the probability that at least 3 tosses are heads? b. What is the probability that at least one toss is a head? c. What is the probability that all tosses are heads?

A biased coin comes up heads 60% of the time. The coin is tossed 4 times. a. What is the probability that at least 3 tosses are heads? b. What is the probability that at least one toss is a head? c. What is the probability that all tosses are heads?

Algebra and Trigonometry (MindTap Course List)
Algebra and Trigonometry (MindTap Course List)
4th Edition
ISBN:9781305071742
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter14: Counting And Probability
Section14.CR: Chapter Review
Problem 5CC: a What is meant by an experiment? Sample space? b What is an event? c Define the probability of an...
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A biased coin comes up heads 60% of the time. The coin is tossed 4 times. a. What is the probability that at least 3 tosses are heads? b. What is the probability that at least one toss is a head? c. What is the probability that all tosses are heads? d. What is the probability that exactly two tosses out of four are heads? e. What is the probability that the first two tosses are heads and the last two tosses are tails?
Transcribed Image Text:A biased coin comes up heads 60% of the time. The coin is tossed 4 times. a. What is the probability that at least 3 tosses are heads? b. What is the probability that at least one toss is a head? c. What is the probability that all tosses are heads? d. What is the probability that exactly two tosses out of four are heads? e. What is the probability that the first two tosses are heads and the last two tosses are tails?
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