Mary Katherine has a bag of 3 red apples, 5 yellow apples and 4 green apples. Mary takes a red apple out of the bag and does not replace it. What is the probability that the next apple she takes out is yellow?
Stacey Warren - Expert brainly.com
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actually, the previous answer is incorrect (no offense intended!)
ok, so there were originally 5 yellow apples and 12 total apples (3+5+4) = 12, correct?
one red apple was taken away, so that leaves us with 5 yellow apples and 11 total apples
probability of getting a yellow apple = #of yellow apples/# of total apples
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nope, please try again:
there were 12 apples at the beginning. Mary took away 1 apple, so how many apples were left?
wait so we divide the fractions or do we multiply them? I think we multiply them.
@Kash_TheSmartGuy : nope, no multiplication here. the question is NOT asking "what is the probability of getting a yellow apple on both tries", it's only asking for the probability of picking a yellow apple after the first red apple is taken away
@rissyroo118 : anyway, would you mind answering my question? how many apples are left after Mary takes away one red apple?
would make 11 apples left if mary took one
right!, so how many yellow apples are there, and how many total apples are there?