Mathematics

Destiny

21 June, 20:53

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

+2

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