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Mathematics 21 Online
zarkam21:

helpppp

zarkam21:

1 attachment
Mehek:

Any idea for #5?

zarkam21:

well there are 10 numbers that are greater than 8

Mehek:

Correct and how many show 6 on 1 die?

zarkam21:

5

Mehek:

It's actually more than 5 Look at the row and column after 6

zarkam21:

I only see 5 6's

Mehek:

You're not supposed to count that You're supposed to look at how many numbers are after when one die has 6 on it The 6's you see are the ones you get from adding other numbers

zarkam21:

21

Mehek:

|dw:1507136900389:dw| Count those for me from the table in the same area as the red ones Those are when one die is on a 6

zarkam21:

11

Mehek:

You're going to count the 12 twice because it is a possibility for either die so there's a total of 12 outcomes for having 6 on one die How many out of those 12 is greater than 8?

zarkam21:

8?

Mehek:

Yes and put that over the total amount

zarkam21:

so 8/10 right

zarkam21:

@Mehek

Mehek:

No the total Like everything in the table

zarkam21:

36

Mehek:

So 8/36 which can be simplified to 2/9

zarkam21:

and that would be number 5 right

Mehek:

Yes

zarkam21:

okay so onto number 6

zarkam21:

I count all the even numbers right

Mehek:

Yes even/total and then you're going to find less than 5/total and then we will multiply

zarkam21:

okay so 18 even numbers

zarkam21:

and 6 right

Mehek:

And the total is 36 so 18/36 are even and 6/36 are less than 5

zarkam21:

6/36 reduced to 1/6?

zarkam21:

and 18/36=1/2

zarkam21:

right

Mehek:

Yes and then multiply 1/6 * 1/2 = 1/12

zarkam21:

okay so the final answer is 1/12

Mehek:

Yes

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