Factor the trinomial below.
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The probability of drawing only one red card in two draws without replacement is given by:
The probability of drawing two red cards in two draws without replacement isgiven by:
The events 'draw one red card' and 'draw two red cards' are mutually exclusive. Therefore the probability of drawing at least one red card is 0.51 + 0.245 = 0.755.
The probability of drawing two red cards in two draws without replacement isgiven by:
The events 'draw one red card' and 'draw two red cards' are mutually exclusive. Therefore the probability of drawing at least one red card is 0.51 + 0.245 = 0.755.