Question

please tell me the answer

Answer 1

1=p(e)=50/200
2=p(e)=2/200
3=p(e)=32/200




hope u understand

Answer 2

P(no defective part) = 50/200 = 1/4

p(more than 13 defective parts) = 2/200 = 1/100

P(at least 1 defective part ) = 150 /200 = 3/4