Question
A player is dealt 4 cards from a standard 52-card deck. Determine the probability of being dealt three of a kind (such as three aces or three kings) by answering questions a through d.
a) How many ways can 4 cards be selected from a 52 -card deck?
There are 270,725 ways that 4 cards can be selected from a 52 -card deck.
(Type a whole number.)
b) Each deck contains 4 twos, 4 threes, and so on. How many ways can three of the same card be selected from the deck?
There are
ways that three of the same card can be selected from the deck.
(Type a whole number.)
a) How many ways can 4 cards be selected from a 52 -card deck?
There are 270,725 ways that 4 cards can be selected from a 52 -card deck.
(Type a whole number.)
b) Each deck contains 4 twos, 4 threes, and so on. How many ways can three of the same card be selected from the deck?
There are
(Type a whole number.)
Ask by Mullins Erickson. in the United States
Mar 25,2025
Upstudy AI Solution
Tutor-Verified Answer
Answer
a) There are 270,725 ways to select 4 cards from a 52-card deck.
b) There are 52 ways to select three of the same card from the deck.
Solution
To solve part b, we need to determine how many ways three of the same card can be selected from a standard 52-card deck.
-
Choosing the Rank: There are 13 different ranks (2 through Ace) in a deck. We can choose any one of these ranks to have three of a kind.
-
Choosing the Suits: For the chosen rank, there are 4 cards (one for each suit). We need to select 3 out of these 4 cards.
The number of ways to choose the rank is
, and the number of ways to choose 3 suits from 4 is given by the combination formula
, where
is the total number of items to choose from, and
is the number of items to choose.
Thus, the number of ways to choose 3 suits from 4 is:
Now, we can calculate the total number of ways to select three of the same card:
Now, let’s calculate this.
Calculate the value by following steps:
Calculate the value by following steps:
- step0: Calculate:
- step1: Multiply the numbers:
There areways that three of the same card can be selected from the deck.
Now, let’s summarize the answers:
a) There are 270,725 ways that 4 cards can be selected from a 52-card deck.
b) There are
ways that three of the same card can be selected from the deck.
Answered by UpStudy AI and reviewed by a Professional Tutor
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Bonus Knowledge
To find the number of ways to select three of the same card from a 52-card deck, you first choose a rank (for example, all three being Aces). There are 13 ranks (from Ace to King), and for each rank, you can choose 3 out of the 4 available cards. So the calculation goes like this:
First, choose the rank: 13 ways.
Next, choose 3 cards from the 4 available: ways.
Next, choose 3 cards from the 4 available:
Thus, the total is:
So, there are
ways that three of the same card can be selected from the deck.
For the fourth card, you must choose a different rank. After selecting a rank for the three of a kind, you now have 12 remaining ranks to choose from. For any of those ranks, you can select one card from the 4 available.
So the total number of choices for the fourth card is:
This means the situation gives you 52 combinations for three of a kind, and then 48 options for the fourth card.