SOLUTION: Find exact probabilities showing all required computation. Five fair coins are tossed. Find the probability of the coins showing; A: At least four heads B: At least three hea

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Question 876046: Find exact probabilities showing all required computation.
Five fair coins are tossed. Find the probability of the coins showing;
A: At least four heads
B: At least three heads
c: At least two heads
D: At least one head

Answer by reviewermath(1029)   (Show Source): You can put this solution on YOUR website!
Find exact probabilities showing all required computation.
Five fair coins are tossed. Find the probability of the coins showing;
Let X = number of heads appearing on tossing a fair coin five times.
X~Binomial(5, 0.5)
A: At least four heads
P(X ≥ 4) = =
B: At least three heads
P(X ≥ 3) = =
c: At least two heads
P(X ≥ 2) = =
D: At least one head
P(X ≥ 1) = =

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