There is a 70% chance of rain tomorrow and a 20% chance that the volleyball game will be postponed. What is the probability that it will rain tomorrow and the volleyball game will be postponed?
14%
35%
50%
90%
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OpenStudy (anonymous):
@roz_mar23 @rational
OpenStudy (anonymous):
please help!
OpenStudy (anonymous):
Im not sure if you find the difference and take that as an answer which would be 50% or
add it up and take 90%
OpenStudy (anonymous):
see i thought it was 90 but im not 100% sure but i have to b 100% sure because this grade is if i fail my class or if i pass
OpenStudy (anonymous):
@starlord6200
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OpenStudy (anonymous):
i think that its 50 now i forgot how to explain it dont think im correct cause there is a very good chance im wrong
OpenStudy (anonymous):
oh.. ok wel thx tho
OpenStudy (anonymous):
i think its like a mean thing
OpenStudy (anonymous):
oh wait no im all confused now
OpenStudy (anonymous):
lol
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OpenStudy (anonymous):
@EclipsedStar
OpenStudy (anonymous):
@kidrah69
OpenStudy (perl):
multiply the probabilities, since it is asking 'and'
OpenStudy (perl):
. What is the probability that it will rain tomorrow `and` the volleyball game will be postponed?
.70 * .20
OpenStudy (perl):
i changed the percent to decimal, so it is easier to multiply
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