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.find the probability of getting three heads, two heads and one tail. at least two heads
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Question
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.
Medium
Solution
A = event that 2 heads come up while tossing 3 coins simultaneously.
Number of times 2 heads come up =72 ....given
Total number of times the coins were tossed =200 ...given
Probability =
Total number of times the coins were tossed
Number of times 2 heads come up
=
200
72
=
25
9
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