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You have 5+2+3+4+2 = 16 marbles. How many of them are not yellow? That number/total number of marbles is the answer.
You can think of this batch of marbles as: 2 yellow and (5 + 3 + 4 + 2 = 14) "non-yellow" There are a total of 2 + 14 = 16 marbles. The probability of a "non-yellow" draw is: (# of non-yellows)/(# of totals marbles) These # are given earlier in thi reply.
the choices are 8/9 or 9/16, 7/8, 3/4
That's good, because the correct choice is indeed among them. Just follow what I helped you with and you'll have no problem.
I did that earlier added all the numbers then divided by 5 ?
I don't think you are reading what I wrote.
I am going to read both of yours again just sec
How many for: # of non-yellows? Hint: it's already worked out in my first reply.
lol ! I get that all the time about Sheldon!
oh wait non yellows sorry
(5 + 3 + 4 + 2 = 14) "non-yellow"
Right. 14/16 = ?
Good. There are a total of 2 + 14 = 16 marbles. So, 14/16
right @whpalmer4 and @tcarroll010
so I simplify?
out of my choices it looks like I need too
And of course, once you simplify 14/16, you get . . . . what?
If you don't see 14/16 among the answer choices, reducing the fraction would be a good thing to try...
Hint: divide numerator and denominator by 2
hahah yes of course guys sorry
np. Good problem and help from everyone all around.
One last point — I trust this illustrates the importance of careful reading of the problem...
my mom says I am always in too much of in a hurry and that I tend to skip the details at times. and then it costs me.
Youth is wasted on the young, that's what I always say :-)
You both had good responses thank you
Just like practicing a musical instrument, sometimes it is more time efficient to work slowly and avoid mistakes...