A cooler at a picnic contains 100 sodas covered by ice. There are 11 cans of cola, 28 cans of orange juice, 15 of ginger rale, and 46 of rootbear. these cans are all in the same shapes and sizes. if one can is selected at ramdon what is the probl that the soda is ginger ale, rootbear or cola?
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OpenStudy (amistre64):
add the three totals and slap a % to it
OpenStudy (amistre64):
the probablitity of a gingerbearcola is....
OpenStudy (anonymous):
89?
OpenStudy (anonymous):
all toghether
OpenStudy (amistre64):
72 is what i count: 11,46,15
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OpenStudy (anonymous):
so u just add them toghether for the answer
OpenStudy (amistre64):
the converse is easier to determine
100 - 28 = 72
OpenStudy (amistre64):
yes; you wanna know what is the chance that youl get any of those 3
OpenStudy (amistre64):
since there was 100 to choose from; it makes it easier to just add the number
OpenStudy (anonymous):
72 becomes the bottom number
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OpenStudy (anonymous):
now do u subtract 72 from 100
OpenStudy (amistre64):
72 out of 100
72/100
OpenStudy (anonymous):
and to reduce that you device them
OpenStudy (amistre64):
28 cans are not gingerbearcola
sooo
1 - 28/100 is the same answer as
72/100
OpenStudy (amistre64):
yes
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