There are 50 distinct numbers in a box, 1 to 50. Bob writes down 8 distinct numbers beforehand from the range of 1 to 50. You randomly pick 12 numbers from the box, without replacement. What is the probability that

(a) none of the 8 numbers that Bob wrote down was picked?

(b) exactly 5 of the numbers that Bob wrote down were picked?

Answer rating: 100% (QA)

Ans Let X be the total numbers picked that bob wrote down p is the pr... View the full answer