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Mathematics 16 Online
OpenStudy (anonymous):

There are 15 cards numbered 1 through 15. What is the probability that you choose a 5 or a 9?

OpenStudy (anonymous):

Whats's the answer

OpenStudy (anonymous):

well there are 15 cards and one 5 and one 9 so there is a 2 out of 15 chance

OpenStudy (anonymous):

Thanks !

OpenStudy (anonymous):

your welcome!

OpenStudy (anonymous):

What is the probability that you draw a diamond or a spade from a standard deck of cards?

OpenStudy (anonymous):

well there are 52 cards in one deck so all diamond and spades together is half the deck so 52 divided by two

OpenStudy (anonymous):

That's 26, so what do I do next??

OpenStudy (anonymous):

so 26 chances of pulling a diamond or a spade from the deck

OpenStudy (anonymous):

But it's telling me that it could be. A:1/16 B:1/4 C:1/2 D:3/4 . So which ones it..??

OpenStudy (anonymous):

its half the deck so its one half

OpenStudy (anonymous):

so c

OpenStudy (anonymous):

Okay..There are 15 cards, numbered 1 through 15. If you pick a card, what is the probability that you choose an odd number or a two?

OpenStudy (anonymous):

well how many odd numbers are there from 1 to 15?

OpenStudy (anonymous):

7

OpenStudy (anonymous):

ok and then the two so 8 out of fifteen

OpenStudy (anonymous):

You have 26 cards, each labeled with a letter of the alphabet. What is the probability of drawing a card that contains one of the letters in the word 'MATH'?

OpenStudy (anonymous):

??

OpenStudy (anonymous):

the key words are one of the letters so 1 out of 26

OpenStudy (anonymous):

So that's the answer cause it's not on the answer choice?

OpenStudy (anonymous):

what are the answers?

OpenStudy (anonymous):

A:1/676 B:2/13 C:2/26 D:3/26

OpenStudy (anonymous):

well i guess its b

OpenStudy (anonymous):

Yes it was. If you draw one card from a standard deck, what is the probability that you draw a king or queen?

OpenStudy (anonymous):

8 out of 52

OpenStudy (anonymous):

so if you break that down further wat would it be?

OpenStudy (anonymous):

4 out of 26

OpenStudy (anonymous):

A:1/169 B:1/26 C:1/13 D:2/13

OpenStudy (anonymous):

d

OpenStudy (anonymous):

You are playing a game of Scrabble and have the 5 A tiles, 3 E tiles, 1 Z tile, 2 M tiles, 3 L tiles, and 1 Y tile to choose from. What is the probability that you choose M or L on your next draw?

OpenStudy (anonymous):

im not sure if i know that one

OpenStudy (anonymous):

Okay I'll guess

OpenStudy (anonymous):

You have a bag of 10 marbles. Three of them are red, five are blue, and two are green. What is the probability of randomly picking a green or blue marble out of the bag?

OpenStudy (anonymous):

2+5 so 7 out of ten

OpenStudy (anonymous):

You are rolling two dice at the same time. What is the probability of rolling a sum of 5 or 9?

OpenStudy (anonymous):

2 out of 12

OpenStudy (anonymous):

What is the probability that you draw a diamond or a spade from a standard deck of cards?

OpenStudy (anonymous):

didnt i already answer that?

OpenStudy (anonymous):

No the other one was talking about kings and queens.

OpenStudy (anonymous):

well its the same answer still

OpenStudy (anonymous):

Last one .If you roll a die what is the probability of getting a 2 or 6?

OpenStudy (anonymous):

2 out of 67

OpenStudy (anonymous):

out of 6*

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