the probability that a surgery will succeed equals P and it's bigger than the probability that the surgery will not succeed.
It's known that if 4 surgeries are being done the probability that exactly 2 of them will succeed is 27/128.
here is the equation I got:
FINAL RESULT IS 3\4
can anyone please help me correcting this equation ? I could get the required answer.
i have to do it according to bernouli's principle.