Problema Solution

There are three nickels two dimes and five quarters in a purse three coins are selected in succession at random find the probability

P(2 nickels then 1quarter) without replacement

Answer provided by our tutors

P(2 nickels then 1quarter) = P(nickel) x P(nickle with 1 nickle gone) x P(1 quarter with 2 nickles gone) =


= 3/10 x 2/9 x 5/8 = 1/24 = 0.0417 or 4.17%