Question

Ten samples of food items, of which four are adulterated are produced for inspection. If the inspector is

supposed to pick up any three samples for inspection, find how many selections will have

(i) no adulterated sample

(ii) Exactly 2 adulterated samples

(iii) At most 1 adulterated sample

(iv) At least 2 adulterated samples​

Answer 1

Ten samples of food items, of which four are adulterated are produced for inspection. If the inspector is

supposed to pick up any three samples for inspection, find how many selections will have

(i) no adulterated sample