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Mathematics 30 Online
zarkam21:

Help please

zarkam21:

1 attachment
Vocaloid:

There's only two possibilities for number 1 (1,3) and (1,6)

Vocaloid:

There are 6 ways to roll one on one dice and some number on the second die

Vocaloid:

So 2 possibilities out of 6 possibilities gives us a probability of ...?

zarkam21:

1/3

Vocaloid:

Good

zarkam21:

number one is asking for the probability so would it be 2/1

Vocaloid:

Why would it be 2/1? That is not a valid probability

Vocaloid:

Probability must be less than 1

zarkam21:

so the probability for number three is ?

zarkam21:

because you said there are 2 possibilities

Vocaloid:

There are 2 possibilities of getting 1 or 3 on the second die There are 6 total possibilities under consideration for getting one on the first die

zarkam21:

Okay so just write this as the answer

Vocaloid:

2 possibilities out of 6 total possibilities gives us a probability of ...?

zarkam21:

I think it should be "there are 2 possibilities of getting 1 or 3 and that is (1,3) (1,6)

Vocaloid:

The question is asking for a number

Vocaloid:

We have stated that there are two desired outcomes out of six That gives us a probability of...?

zarkam21:

1/3

Vocaloid:

Good so that answers the question

zarkam21:

okay so for the second question we would kind of do the same thing right?

Vocaloid:

Basically I think I saw shadow walk you through this one

Vocaloid:

It ends up being 3 desired outcomes over 7 total outcomes

Vocaloid:

There are 3 ways to get 2 heads There are 7 ways to get no tails So 3/7

Vocaloid:

Gtg

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