The union of sets P = {1, 2, 3, 4, 5, 6} Q = {4, 5, 6, 7, 8, 9} is given by which of the following?
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In a bag, there are 10 black plastic chips, 7 yellow, 5 red, and 3 green.
Total number of chips = 10+ 7 + 5 + 3 = 25
Probability =
Probability ( back drawn) =
Two chips are drawn at random with replacement.. So black is replaced
Probability ( red drawn) =
Probability (black, then red) = *
= =