Math / Statistics

Supposed that voting in municipal elections is being studied and four people are randomly selected. The accompanying, table provides the probability distribution where x is the number of those people that voted in the last election
x | P (x)
0 | 0.23
1 | 0.32
2 | 0.26
3 | 0.15
4 | 0. 04

which result from the study would constitute an unusual event?
A) 4
B) 3
C) 2
D) 0
I think the answer is A but I am not sure

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  1. The probability of all four voting is 0.4
    That is by far the lowest probability.
    It also makes sense in our world.

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