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0
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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

 May 29, 2020
 #1
avatar+30913 
+1

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

 May 29, 2020

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