Question

a math teach gave her students two tests. on the first test, 64% of the class passed the test, but only 40% of the class lassed both tests. What is the probablity that a student passes the second test given they passed the first one?

Ms. sue or Steve help!

Answer 1

Hey is one of you online? Please help!

Answer 2

recall that P(A|B) = P(A&B)/P(B)

now plug in your numbers