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Mathematics, 22.04.2021 16:00 yeehaw777
A two-digit locker combination has two nonzero digits and no two digits in a combination are the same.
Event A = the first digit is a prime number
Event B = the second digit is a prime number
If a combination is picked at random with each possible locker combination being equally likely, what is P(B|A) expressed in simplest form?
A. 3/8
B. 1/2
C. 4/9
D. 5/9
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