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Mathematics 12 Online
ItachiUchiha:

The number of chips of different colors in Amy's bag is shown below: 8 blue chips 9 pink chips 1 white chip Amy takes out a chip from the bag randomly without looking. She replaces the chip and then takes out another chip from the bag. What is the probability that Amy takes out a pink chip in both draws? (5 points) 9 over 18 multiplied by 8 over 17 equals 72 over 306 9 over 18 plus 8 over 17 equals 297 over 306 9 over 18 multiplied by 9 over 18 equals 81 over 324 9 over 18 plus 9 over 18 equals 18 over 18

TETSXPREME:

ok so first you add up all the chips

ItachiUchiha:

18

TETSXPREME:

Yes and then you should put in a fraction take will make it half

TETSXPREME:

do you know how to do that?

ItachiUchiha:

9/18

TETSXPREME:

yes correct o: and now you reduce it

TETSXPREME:

know how to do that?

ItachiUchiha:

not really

TETSXPREME:

basically divide

ItachiUchiha:

so divide 9/18

TETSXPREME:

yes, Divide each of those numbers by the top number which is 9

ItachiUchiha:

2

ItachiUchiha:

?

TETSXPREME:

no. Remember you have to keep it a fraction

ItachiUchiha:

or would it be 1/2 or

TETSXPREME:

yes correct o:

TETSXPREME:

Good Job!

ItachiUchiha:

thank you.

TETSXPREME:

No problemo C:

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