answersLogoWhite

0


Best Answer

Prob of 0 Heads = 1/8

Prob of 1 Head = 3/8

Prob of 2 Heads = 3/8

Prob of 3 Heads = 1/8

Mean number of Heads = Sum of [x*Prob of x Heads] where the sum is over all possible values of x.

= 0*1/8 + 1*3/8 + 2*3/8 + 3*1/8 = 12/8 = 3/2 or 1.5

User Avatar

Wiki User

11y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: How do you find mean of probabilty distribution of a balanced coin so that no of flips obtained in 3 flips?
Write your answer...
Submit
Still have questions?
magnify glass
imp