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?

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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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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Solve c,d and e

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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