You draw a card at random from a deck that contains 333 black cards and 777 red cards.
What is \text{P(draw a black card})P(draw a black card)start text, P, left parenthesis, d, r, a, w, space, a, space, b, l, a, c, k, space, c, a, r, d, end text, right parenthesis?
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Step-by-step explanation:
Probability=
Number of possible outcomes
Number of favorable outcomes
There are 333 favorable outcomes (the 333 black cards).
There are 1110 possible outcomes (the 333 + 777 = 3+7= 1110 cards).
P(draw a black card)= 333/1110 =0.3
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