Directions Determine whether a permutation or combination can be used Then solve 19 Three cards from a standard deck of 52 cards

Question

Directions Determine whether a permutation or combination can be used Then solve 19 Three cards from a standard deck of 52 cards are chosen at random What is the probability that all three cards chosen are hearts 21 If the 3 digit security code on the back of a credit card using the digits 0 9 has no repeating digits what is the probability that the code does not contain any numbers less than 52 20 Marissa has a 50 20 10 5 and 1 bill in her wallet She takes the bills out and randomly line them up What is the probability that the first bill is greater than 5 22 There are twelve seniors and eight juniors on the prom committee If two students are chosen at random to decide on decorations what is the probability that one is a senior and one is a junior

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