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0 votes
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in Probability by (65.5k points)

Three coins are tossed simultaneously 200 times with the following frequencies of different outcomes :

Outcome

3 Heads 2 Heads 1 Head No head
Frequency 23 72 77

28

If the three coins are simultaneously tossed again, compute the probability of 2 heads coming up.

1 Answer

+1 vote
by (65.2k points)
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Best answer

Total number of events tossing 3 coins simultaneously = 200
∴ n(S) = 200

Frequency in which two heads up = 72

∴ n(E) = 72

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