Answer
$$P(X \geq 0) = .6$$
$$P(X < 0) = .4$$
Work Step by Step
$P(X \geq 0) = P(X = 0) + P(X = 1) + P(X = 2) = .4 + .1 + .1 = .6$.
Since $1 = P(X \geq 0) + P(X < 0)$, we have $1 = .6 + P(X < 0)$, so $P(X < 0) = .4$
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