x -5 -4 -3 -2 -1

P(x) 0.22 0.24 –0.28 0.51 0.31

Choose one answer.

a. A values of x is negative

b. A probability is negative

c. The probability values do not add to 1

d. The probability values are not discrete

## This question was asked on Mar 17, 2010.

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