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Mathematics 21 Online
OpenStudy (anonymous):

What is the probability of randomly selecting one 9 from a standard deck of 52 cards? A. 1/52 B. 1/39 C. 1/26 D. 1/13

OpenStudy (anonymous):

it is a righhhttttt?????

OpenStudy (anonymous):

No. How many 9's are there in a deck of cards?

OpenStudy (anonymous):

i just got that from platoweb..thats the whole question

OpenStudy (anonymous):

Do you know how many 9"s there are in a standard deck of cards?

OpenStudy (anonymous):

not really..ill google it lol

OpenStudy (anonymous):

there are 4...

OpenStudy (anonymous):

That's OK. There's the 9 of hearts, the 9 of spades, the 9 of diamonds and the 9 of clubs. So there are four 9's.

OpenStudy (anonymous):

lol yeah so now what?

OpenStudy (anonymous):

So, if you draw one card from the deck, how many ways can you be successful?

OpenStudy (anonymous):

1/52.....i said that...its A...unless im missing something..

OpenStudy (kaptain_mittens):

4 9's in a deck of 52 cards. Divide 52 by 4 and you got your answer

OpenStudy (anonymous):

Not quite. To be successful, you must draw a 9. But there's four 9's in the deck, so there are four different ways you can be successful. Get it?

OpenStudy (anonymous):

yea sooooooooooooooo still lost lmao xD

OpenStudy (anonymous):

i get that i have 4 ways to get it buttttt there is nothing to do with four in my answers....

OpenStudy (kaptain_mittens):

look at what I said.

OpenStudy (kaptain_mittens):

52/4 and simplify

OpenStudy (kaptain_mittens):

rather 4/52

OpenStudy (anonymous):

Now, to calculate the probability, you divide the ways of being successful by the total number of possible outcomes. The number of successful outcomes is 4 and the total number of possible outcomes is 52. Just reduce the fraction to its lowest terms to get your answer.

OpenStudy (anonymous):

yayyyyyy i got ittttttt!!! yayy lmao ok anways @Kaptain_Mittens thankss its D

OpenStudy (anonymous):

okai i think were done here thanks yallllll

OpenStudy (anonymous):

Well done!

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