Asked by Twg
If you select a card from an ordinary deck of 52 playing cards, what is the probability that a diamond is drawn and that a BLACK 10 or a BLACK 7 is drawn??
Answers
Answered by
PsyDAG
Assuming no replacement, the probability of a diamond is 1/13. Once that is drawn, the probability of a black 10 (spade or club) or a black 7 each is 2/51 (since one card is already drawn).
The "either-or" probability is obtained by adding the individual probabilities, while the "and" probability is obtained by multiplying.
I'll leave the calculation to you.
I hope this helps. Thanks for asking.
The "either-or" probability is obtained by adding the individual probabilities, while the "and" probability is obtained by multiplying.
I'll leave the calculation to you.
I hope this helps. Thanks for asking.
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