Diego mother is twice as old as he is. she is also as old as the sum of the ages of diego and: both of his younger twin brothers. the twins are 11 years old. write and sequation and find the diego

Given a binomial distribution variable with n=20 and p=0.60 find the following possibilities using the binomial table a) p(x < 13) b) p x > 15) c) p(x = 17) d) p(11 < x < 14) e) p(11 < x < 14)