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Mathematics 16 Online
OpenStudy (anonymous):

Jason has a cube with colored sides: red, orange, yellow, green, blue, and purple. Give the odds in favor of rolling a primary color. 1. Find the odds in favor of rolling a primary color. 2. Find the odds against rolling blue or purple. Give the theoretical probability of each of the following events. 3. Rolling a primary color. 4. Not rolling a purple or blue. @Mertsj

OpenStudy (mertsj):

What are the primary colors?

OpenStudy (mertsj):

yes.

OpenStudy (mertsj):

So what is the definition of odds?

OpenStudy (mertsj):

Odds is the ratio that compares the number of favorable outcomes of an event to the number of unfavorable outcomes.

OpenStudy (mertsj):

How many outcomes are favorable?

OpenStudy (mertsj):

How many is that?

OpenStudy (mertsj):

How many are unfavorable?

OpenStudy (mertsj):

What is the ratio of favorable to unfavorable?

OpenStudy (mertsj):

Reduce it

OpenStudy (mertsj):

1 to 1 or 1/1

OpenStudy (mertsj):

Now do number 2

OpenStudy (mertsj):

Odds against an event = number of unfavorable outcomes : number of favorable outcomes.

OpenStudy (mertsj):

There are 4 unfavorable and 2 favorable.

OpenStudy (mertsj):

The odds FOR purple or blue would be 2:4 The odds AGAINST purple or blue would be 4:2

OpenStudy (mertsj):

Probability is favorable /total

OpenStudy (mertsj):

Reduce it.

OpenStudy (mertsj):

I'm pretty sure that 3/6 is NOT 1/3

OpenStudy (mertsj):

now do number 4

OpenStudy (mertsj):

That would be the probability of rolling blue or purple.

OpenStudy (mertsj):

Do you want me to smack you? How many outcomes are NOT blue or purple?

OpenStudy (mertsj):

Reduce it.

OpenStudy (mertsj):

ha ha very funny

OpenStudy (mertsj):

roflol

OpenStudy (mertsj):

That's better. And now you are done.

OpenStudy (mertsj):

yes

OpenStudy (mertsj):

yw

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