x=1,3,4,5,10
P(X=x)= 0.30, 0.20, 0.10, 0.15, 0.25
Question:
a. What is the range of the variable x?
b. What is P(3<X≤10)
c. What is P(X≥3)
a. Range of the variable x: 10-1=9.
b. "P(3<X\\le10)=0.10+0.15+0.25=0.50."
c. "P(X\\ge3)=1-0.30=0.70."
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