Question

Records show that an eye specialist’s success rate in a particular type of operation procedure is 80%. If 40 persons are to be operated on this week, what is the probability that at least 38 operations will be successful?

Answer 1

@ganeshie8 @kropot72

Answer 2

binomial distribution

Answer 3

n = 40
p = 0.8

you want to find P(X >= 38)

Answer 4

and how do I do that?

Answer 5

I have never done a Dinomial distribution before :/

Answer 6

Binomial*