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You toss 3 fair coins in the air at once. a) List the sample space. b) What is the probability of getting all 3 heads? c) What is the probability of getting all 3 tails? d) What is the probability of getting
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You toss 3 fair coins in the air at once.

a) List the sample space.
b) What is the probability of getting all 3 heads?
c) What is the probability of getting all 3 tails?
d) What is the probability of getting 1 head and 2 tails?
e) What is the probability of getting 1 tail and 2 heads?
f) What do the probabilities from parts b through e add up to?

User Mudasir Sharif
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1 Answer

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The probability of a head or tail upon flipping is 50-50. THe asnwers are as followsL
a. {HHH, HHT, HTT, TTT, TTH, THH, HTH, THT}b and c. p = 3C3 * 0.5^3 = 0.125d. from a, p = 3/8 = 0.375e. from a, p = 3/8 = 0.375f. 0.875
User Keith Miller
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