Consider the following probabilities

x -4 -3 -2 -1 0 1 2 3 4

p(x) .02 .07 -- .15 .30 .18 .10 .06 .02

What is P(-2 x +2)?

Question 4 options:

a)

1.00

b)

0.98

c)

0.96

d)

0.90

e)

0.94