SOLUTION: 1. Three fair coins are tossed. Determine the probability of each event
a) No heads
b) Exactly two head
c) Exactly one head (full answer)
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Question 1192282: 1. Three fair coins are tossed. Determine the probability of each event
a) No heads
b) Exactly two head
c) Exactly one head (full answer)
Answer by greenestamps(13203) (Show Source): You can put this solution on YOUR website!
List the possible outcomes and find the probabilities by counting the numbers of outcomes with different numbers of heads.
HHH -- 1 outcome with 3 heads
HHT
HTH
THH -- 3 outcomes with 2 heads
HTT
THT
TTH -- 3 outcomes with 1 head
TTT -- 1 outcome with 0 heads
Total possible outcomes: 2^3 = 1+3+3+1 = 8
ANSWERS:
a) 1/8
b) 3/8
c) 3/8
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