Mathematics
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OpenStudy (anonymous):
Based on the cards shown, what is P(pink or even)?
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OpenStudy (anonymous):
OpenStudy (anonymous):
7/10??
OpenStudy (anonymous):
count the number that are pink or even
make sure not to count twice
OpenStudy (anonymous):
by which i mean don't count the pink 8 and the pink 10 twice
they only count once
OpenStudy (anonymous):
1/5?
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OpenStudy (ganpat):
what is probability of pink ??
its 4/10..
and probability of even ??
OpenStudy (anonymous):
9/10?
OpenStudy (anonymous):
lets start again
OpenStudy (ganpat):
no , even = 5/10 ...
so can u add them now.. as or is given...
OpenStudy (anonymous):
ya
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OpenStudy (ganpat):
so p(pink or even) = (4/10) + (5/10) = 9/10...
OpenStudy (anonymous):
thanks, both!
OpenStudy (anonymous):
oh no!!
OpenStudy (anonymous):
you do not add these
OpenStudy (ganpat):
@satellite73 : its or event..
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OpenStudy (anonymous):
or yes
or means one or the other or both
it is a counting problem
OpenStudy (anonymous):
oh damn my answer was wrong as well! yikes
OpenStudy (anonymous):
third big mistake of the day!!
OpenStudy (anonymous):
blue 2
green 4
yellow 6
pink 7
pink 8
pink 9
pink 10
OpenStudy (anonymous):
there are seven of them
yikes
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OpenStudy (anonymous):
so answer is \(\frac{7}{10}\) i should be quiet now , lots of mistakes today
OpenStudy (ganpat):
ohkey.. so that is in single event ??