The graph show the probability distribution of a random variable.
What is the value of P(2≤X≤5)P(2≤X≤5)?
0.30
0.35
0.40
0.45
P(2≤X≤5) is given by the area under the curve between 2 and 5. This is:
(1/2)*(4-2)*(0.2-0.05) + (1/2)*(5-4)*(0.15-0.05) + (5-2)*0.05 = 0.35
+28 
