Answer :
The correct answer is 0.3
- Given as:
X : -10 -5 0 5 10 15 20
P(X)=f(x): 0.20 0.15 0.05 0.1 0.25 0.1 0.15
- To find:
probability of -5≤x≤5
- Solution: ∑f(x)= f(-5)+f(0)+f(5)
⇒ P(-5≤x≤5) = 0.15 +0.05+0.1 = 0.3
Hence, the answer of the given question is 0.3.
To learn more about random variables, refer to:
- https://brainly.com/question/16730693