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Mathematics 18 Online
OpenStudy (anonymous):

Based on the cards shown, what is P(pink or even)?

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?

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

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..

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

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 ??

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