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).

Answer 1

1/64 possibility

Step-by-step explanation:

Multiply the numbers by the number of students(8x8) to get 64. That means there is 1 in 64 chances. 1/64

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Answer 2

There is a 1/64 possibility.

Step-by-step explanation:

Since the probability of selecting student 1's number is 1/8 and then replacing it leaves us with still 8 numbers to choose from, so student 8's probability of being selected is also 1/8. Multiplying these two gives P=1/64, since (1/8)^2 = 1/64.

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