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The graph shows a probability distribution.

P(X≤a)=0.5

What is the value of a?

1

1.5

2

2.5

 

jbouyer  Mar 12, 2018
 #1
avatar+88871 
+2

Note that when a = 2

P(x  ≤ 2)   =  the probability of this area  =  1/2  of the area of the figure  =  0.5

 

So....a  = 2

 

 

cool cool cool

CPhill  Mar 12, 2018

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