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21-07-2018
Mathematics

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You are dealt one card from a 52-card deck. find the probability that you are dealt a numbered card or a heart. (note: a numbered card is a card with a value from 2 to 10.)

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konrad509 konrad509

21-07-2018

[tex] |\Omega|=52\\
|A|=\underbrace{40}_{\text{numbered cards}}+\underbrace{13}_{\text{hearts}}-\underbrace{10}_{\text{numbered hearts}}=43\\\\
P(A)=\dfrac{43}{52}\approx83\% [/tex]

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