Question

Toss three coins 20 times simultaneously and form a
frequency distribution table of different outcomes:
3 tails
2 tails
1 tail
NA tail
Outcome
Frequency
Find the probability that two tails come up.​

Answer 1

Here,

Favourable outcomes=1

sample points=4

so,

The probability that two tails come up,

P=1/4

And that's the answer.