Answer: 0.10
Step-by-step explanation:
Add up the given decimal values
0.03+0.14+0.65+0.08 = 0.90
Recall that all of the P(X) values must add to 1 to represent 100% of all possible outcomes. So far we added to 0.90, so we're missing 1 - 0.90 = 0.10
As a check,
0.03+0.14+0.65+0.08 + 0.10 = 1