Question

3. What is the probability that when a fair coin is flipped 20 times, there will be exactly five tails?​

Answer 1

Answer: Probability of getting

17

tails from

20

tosses is

285

262144

=

0.0010872

Explanation:

When a coin is tossed there are two possibilities.- it is either a head or tail and probability of getting either head or tail is

1

2

.