A jar contains 12 blue pens, 7 black pens, and 3 red pens. Marco picks two red pens at random, without replacement.
1 answer:
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we are given
A presidential candidate plans to begin her campaign by visiting the capitals in 4 of 47 states
so, the number of ways of selecting four specific capitals out of 47 states is
now, we can find probability
so, the probability is
..............Answer