Question

The numbers α1, α2, α3 , and α4 are drawn one at a time from the set {0, 1,
2, …, 9}. If these four numbers are drawn with replacement, what is the
probability that α1α4 − α2α3 is an even number?
A. 1/2
B. 1/4
C. 3/8
D. 3/4
E. 5/8

Answer 1

Answer:

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