SOLUTION: IF YOU FLIP A COIN 7 TIMES WHAT IS THE PROBABILITY THAT IT WILL LAND ON HEADS 3 TIMES?

Algebra.Com
Question 366924: IF YOU FLIP A COIN 7 TIMES WHAT IS THE PROBABILITY THAT IT WILL LAND ON HEADS 3 TIMES?
Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
IF YOU FLIP A COIN 7 TIMES WHAT IS THE PROBABILITY THAT IT WILL LAND ON HEADS 3 TIMES?
------
Binomial Problem with n = 7 and p = 1/2.
---
P(x=3) = 7C3(1/2)^3*(1/2)^4 = 35/128
=====================
Cheers,
Stan H.

RELATED QUESTIONS

If a coin is tossed 7 times what is the probability that the coin will land on heads 5... (answered by robertb)
You flip a coin three times. What is the probability of it landing on heads on the third... (answered by Fombitz)
You flip a fair coin 10 times. What is the probability that it lands on heads exactly 7... (answered by stanbon)
Take a coin and flip it 20 times. How many times did you get heads? HOw many times did... (answered by stanbon)
a fair coin was tossed 9 times and the coin landed on heads 7 times and tails twice. if... (answered by ikleyn)
1. If you flip a fair coin five times in a row, what is the probability that you will... (answered by richard1234)
A coin is tossed 9 times. What is the probability that the coin will land heads at least... (answered by stanbon,Edwin McCravy)
If you have a loaded coin and the probability of getting heads = 0.25, what is the chance (answered by stanbon)
If you flip a coin and it comes up heads, what is the probability that it will come up... (answered by colliefan)