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.

Answer 1

Number of times 2 heads come up = 72

Total number of times the coins were tossed = 200

`"P(2 heads will come up)" = "Number of times 2 heads come up"/"Total number of times the coins were tossed"`

= `72/200`

= `9/25`