Question

A,b,c chosen randomly and with replacement from the set {1,2,3,4,5}, the probability that a * b + c is even.

Answer 1

Answer:

I think the question is wrong

Answer 2

Answer:

0.3

Step-by-step explanation:

a, b, c can be randomly chosen in 5 x 4 x 3 = 60 ways

For below 18 cases a * b +c is even.

a b c Value- a * b +c

1 2 4 6

1 3 5 8

1 4 2 6

1 5 3 8

2 1 4 6

2 3 4 10

2 5 4 14

3 2 4 10

3 1 5 8

3 4 2 14

3 5 1 16

4 3 2 14

4 1 2 6

4 5 2 22

5 2 4 14

5 3 1 16

5 4 2 22

5 1 3 8

So probability = 18/60 = 3/10 = 0.3