SOLUTION: A coin is flipped 3 times and heads (H) or tails (T) are recorded.
a. List all three elements in the sample area.
b. List the elements in the event "at least two heads
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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.
b. List the elements in the event "at least two heads appear."
c. Find the probability that the event in part (b) occurs.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
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
-----------------------------
b. List the elements in the event "at least two heads appear."
hhh,thh,hth,hht
-----------------------------------------
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
==============================
Cheers,
Stan H.
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