Q.10. Find the mean number of heads in three tosses of a fair coin.
Let X be success of getting head.
When 3 coins are tossed then sample space
X can be 0,1,2,3
The probability distribution is as
mean number of heads :
CBSE Class 12 board exams 2025 to have 50% competency-based questions; no change in 10th
CBSE Class 12 board exams 2024 over; expected result date, trends of last 10 years
CBSE Class 12 accountancy board exam analysis 2024 out; paper rated easy, balanced
Create Your Account
To keep connected with us please login with your personal information by phone
Dont't have an account? Register Now