Question 276370
A coin is flipped 3 times and heads (H) or tails (T) are recorded.
a. List all three elements in the sample area.
3 heads: hhh
1 head:: htt, tht,tth
2 heads: thh,hth,hht
0 heads: ttt
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b. List the elements in the event "at least two heads appear."
hhh,thh,hth,hht
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c. Find the probability that the event in part (b) occurs.
# of ways to succeed: 4
# of possible outcomes: 8
Probability: 4/8 = 1/2
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Cheers,
Stan H.