A coin is biased so that the probability of heads is 2/3. What is the probability that exactly four
heads come up when the coin is flipped seven times, assuming that the flips are independent?

I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!

C(7, 4)(2/3)^4(1/3)^3 is the answer.
Could someone explain how they reached this conclusion?

The binomial distribution applies in this case. Have you studied the binomial distribution?

It does!
Thanks, I got it now!

Looking for something else?

Not the answer you are looking for? Search for more explanations.

## More answers

Looking for something else?

Not the answer you are looking for? Search for more explanations.