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If the probability of picking a red marble out of a bag is 0.4 and the probability of choosing a green marble out of the same bag is 0.25 what is the probability of randomly choosing a red or green marble
asked
Apr 3, 2017
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If the probability of picking a red marble out of a bag is 0.4 and the probability of choosing a green marble out of the same bag is 0.25 what is the probability of randomly choosing a red or green marble out of the bag with one pick
Mathematics
high-school
Quezak
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Quezak
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0.65 because if you do the math p= and then w=
Mihnea Simian
answered
Apr 3, 2017
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Mihnea Simian
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1
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So...
p
of red=0.4
p
of green=0.25
You are looking for the
p
of
red
or
green
when we have an "or" we
add
probability so....
.4+.25=
0.65
Ngo Van
answered
Apr 9, 2017
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Ngo Van
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