Question

A teacher has assigned numbers 1-8 to eight students in a classroom. The numbers of all the students are put in a basket. The teacher selects a number and replaces it in the basket. Then the teacher selects a second number. Find P(student 1, then student 8).

1/16

1/64

1/4

1/56

Answer 1

clearly, prob = (1/8)(1/8) = ...

Answer 2

1/64

Answer 3

(1/8)(1/8) = 1/64