Four cards are to be drawn simultaneously from a deck of 52. Find the probability that...
Four cards are to be drawn simultaneously from a deck of 52. Find the probability that
*(No clue if any of these are right)
(a). all four are clubs
13/52 * 12/51 * 11/ 50 * 10/ 51 = 0.00264
(b) at least one is not a club
(39 * 51 * 50 * 49 ) / (52 * 51 * 50 * 49) = 0.94
(c) three are black and one is red
(21 * 20 * 19 * 21) / (52 * 51 * 50 * 49) = 0.0257
(d) exactly two are picture card
- I have looked up a few examples of this specific problem and it shows using combinations. I just do not understand how to tell when you are suppose to use a combination.
(e) either two or three of the four cards are picture cards
- Again, I have looked up a few examples of this specific problem and it show using combinations, I just do not understand how to tell when to use them.
Homework Answers
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