Posted by **anonymous** on Monday, July 11, 2011 at 8:07pm.

Select 2 cards from a deck of 52,

a. Find the probability of getting 2 hearts

b. Find the probability of getting a heart on the 2nd draw given that you got a heart on the first draw

- math -
**Max**, Monday, July 11, 2011 at 8:11pm
A. There are 13 hearts from a standard deck of 52 cards. Therefore, there is a 13/52, or 1/4, chance of choosing a heart. Now, there are 12 out of 51 hearts to choose from. The probability of choosing a second heart is 12/51, or 4/17. Thus, the probability of drawing 2 hearts is 1/4*4/17 = 1/17.

- math -
**bobpursley**, Monday, July 11, 2011 at 8:12pm
Without replacment

Pr(2hearts)=13/52*12/51

pr(second heart|firstcard was heart)=12/51

- math -
**Max**, Monday, July 11, 2011 at 8:13pm
Refer to A. for the answer to b.

- math -
**Max**, Monday, July 11, 2011 at 8:14pm
Oops, I meant 12 hearts out of 51 cards, not 51 hearts.

## Answer This Question

## Related Questions

- Stats - Directions: Suppose you have a standard deck 52 cards (4 suits: hearts...
- Probability - A card is drawn from a standard deck of cards. Find P(A U B) in ...
- Probability-Cards - As shown above, a classic deck of cards is made up of 52 ...
- Math - Three cards are drawn from a deck of 52 playing cards and not replaced. ...
- Statistics - you draw two cards from a standard deck of 52 cards, but before you...
- Math - Suppose that you select 2 cards without replacement from an ordinary deck...
- math - A standard deck of playing cards had 52 cards. These cards are divided ...
- Probability - You draw two cards from a well-shuffled deck of 52 cards. After ...
- MATH 12 - two cards are drawn without replacement from a shuffled deck of 52 ...
- Statistics - Please help. Find the probability of getting 2 hearts if the cards ...

More Related Questions