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you forget the last two digits of your password for a website. A what is the probability that you randomly choose the correct digits. B suppose you remember that both of us are even how does this change
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you forget the last two digits of your password for a website. A what is the probability that you randomly choose the correct digits. B suppose you remember that both of us are even how does this change the probability that your choices are correct.

User Scott Zhu
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a) number of outcomes * number of outcomes =9*9=81
possible outcomes 123456789 for 1 digit
b)number of outcomes(even) * number of outcomes(even) =4*4=16
possible outcomes even 2468
User Johann Dirdal
by
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