Question

Fred is a weightlifter who can lift 800 pounds on 45% of his attempts. which of these expressions represents the probability fred will make 30 lifts out of 60?

Answer 1

This problem can be solved using the binomial distribution B(n, p, x) where
n= number of trial
p= probability of success
x= number of success
The question asking for 30 success out of 60 trial with 45% success rate, so the expression would be: B(60, 45, 30)