Answer
$P(X \leq 5000) = 5/10 = .5$
Work Step by Step
No more than 5,000 pounds means 5,000 pounds, and anything less, is okay. So we want
$$P(X \leq 5,000) = P(X = 2,000) + P(X = 3,000) + P(X = 4000) + P(X = 5,000)$$
which is 2/10 + 1/10 + 1/10 + 1/10 = 5/10
