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Mathematics 13 Online
OpenStudy (anonymous):

A standard deck of playing cards has 52 cards - 13 spades, 13 clubs, 13 hearts, and 13 diamonds. What is the probability of drawing a spade from a standard 52-card deck, replacing it, and then drawing another spade? A. 1/169 B. 1/169 C. 1/16 D. 1/2

OpenStudy (anonymous):

I got C as my answer

OpenStudy (agent0smith):

Similar to your last couple 13 spades, 52 total then 13 spades, 52 total (since it is WITH replacement - you put the card back) Multiply the two probabilities.

OpenStudy (agent0smith):

A. 1/169 B. 1/169 Why are they the same?

OpenStudy (anonymous):

idk good question.

Directrix (directrix):

Check your problem source because to see if you posted correctly. Otherwise, the letter of the answer choice is going to be a problem. 13/52 * 13/52 = ? @katlin95

OpenStudy (anonymous):

1/16

Directrix (directrix):

On second thought, 1/169 is not a problem. The 1/16 is what I got.

OpenStudy (agent0smith):

It's just odd that they give 1/169 twice...

Directrix (directrix):

A typo, I assume. But, a trick maybe.

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