Which calculations perform on the calculator will yelled in answer that is approximately the same as 76 ÷ 19/25? check all that apply

a: 80 / 20 * 1 / 25
b: 80 * 5/4
c: 80 / 5 ÷ 1 / 4
d: 80 * 5/4
e: 80 * 4/5

Aday's production of 850 parts contains 50 defective parts. two parts are selected at random without r replacement. let the random variable x equal the number of defective parts in the sample. find the cumulative distribution function of x.