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valentinak56 [21]
3 years ago
11

An experiment consists of dealing 7 cards from a standard deck of 52 playing cards. What is the probability of being dealt exact

ly 4 clubs and 3 spades?
Mathematics
1 answer:
In-s [12.5K]3 years ago
6 0

Answer: 0.00153

Step-by-step explanation:

Given: An experiment consists of dealing 7 cards from a standard deck of 52 playing cards.

Number of ways of dealing 7 cards from 52 cards = ^{52}C_7

Since there are 13 clubs and 13 spades.

Number of ways of getting exactly 4 clubs and 3 spades=^{13}C_4\times\ ^{13}C_3

Now, the probability of being dealt exactly 4 clubs and 3 spades

=\dfrac{^{13}C_4\times\ ^{13}C_3}{^{52}C_7}\\\\\\=\dfrac{{\dfrac{13!}{4!(9!)}\times\dfrac{13!}{3!10!}}}{\dfrac{52!}{7!45!}}\\\\=\dfrac{715\times286}{133784560}\\\\=0.00152850224271\approx0.00153

Hence,  the probability of being dealt exactly 4 clubs and 3 spades = 0.00153

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