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Mathematics 7 Online
OpenStudy (anonymous):

A bag contains 5 black marbles, 9 white marbles, and 2 red marbles. One marble is to be chosen at random. What is the probability that the chosen marble will be red? A. 1/16 B. 1/8 C. 1/3 D. 1/2

OpenStudy (anonymous):

First we have to find how many marbles there are

OpenStudy (anonymous):

5 black marbles, 9 white marbles, and 2 red marbles which is 16 marbles.

OpenStudy (acxbox22):

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OpenStudy (anonymous):

2/16 marbles are red

OpenStudy (anonymous):

Do you mean 1/16 or do i have to simplify it

OpenStudy (anonymous):

then we can simplify it

OpenStudy (anonymous):

what is 16 simpleminded?

OpenStudy (anonymous):

:P simplified

OpenStudy (anonymous):

1/8?

OpenStudy (anonymous):

Yes..

OpenStudy (anonymous):

B

OpenStudy (anonymous):

16=8 And 2=1

OpenStudy (anonymous):

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OpenStudy (anonymous):

Did you get it right?

OpenStudy (anonymous):

Sorry i took so long to reply! I need one more question then itll tell me if i got it right

OpenStudy (anonymous):

A box contains only sliver tokens and gold tokens. Clarisse reached into the bag without looking, got 60 tokens, and found that 48 of the tokens were silver. Clarisse is going to reach in the box again and get one more token. What is the experimental probability that the token will be silver? A. 1/48 B. 2/5 C. 1/2 D. 4/5

OpenStudy (anonymous):

What you need help with

OpenStudy (anonymous):

Sorry it took me so long

OpenStudy (anonymous):

Im reading your question right now

OpenStudy (anonymous):

Okay we know that she got 60 coins on her first pull... Next time she tried she got 1 coin.

OpenStudy (anonymous):

So now she has 61 coins.

OpenStudy (anonymous):

I'm not a hundred percent sure but I believe it would be B.

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