53. A cookie jar contains 10 cookies of 3 types. There are 5 chocolate-chip cookies, 3 oatmeal-raisin, cookies, and 2 sugar cookies. You reach into the jar and choose a cookie at random and then, without replacing the first cookie, reach into the jar and choose another cookie at random. What is the probability that both of the cookies you choose are the same type?

Answer and Explanation

Your Answer is

Correct Answer is C

Explanation

The total possible quantity of two extractions is C102=45, and the total possible quantity for both of them is C5< sup>2+C32+C22=14, so the probability is 14 /45, which is C