SOLUTION: Suppose we plan to toss a fair coin three times & would like to compute the following a) The probability of 2 or more heads in 3 tosses. b) The probability of fewer than two head

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Question 529446: Suppose we plan to toss a fair coin three times & would like to compute the following
a) The probability of 2 or more heads in 3 tosses.
b) The probability of fewer than two heads in 3 tosses.
Answer by reviewermath(1029) About Me  (Show Source):
You can put this solution on YOUR website!
X~Binomial(3,0.5)
a) P(X=2) + P(X=3) = = highlight%280.5%29
b)P(X=0) + P(X=1) = = highlight%280.5%29