We use cookies to personalise content and advertisements and to analyse access to our website. Furthermore, our partners for online advertising receive pseudonymised information about your use of our website. cookie policy and privacy policy.
 
+0  
 
0
113
1
avatar+484 

A and B are two events.

Let P(A)=0.5 , P(B)=0.4 , and P(A and B)=0.2 .

Which statement is true?

A and B are independent events because P(A|B)=P(B|A) .

A and B are independent events because P(A|B)=P(A) .

A and B are not independent events because P(A|B)=P(B|A) .

A and B are independent events because P(A|B)=P(B) and P(B|A)=P(A) .

 Dec 19, 2018
 #1
avatar+103131 
+1

P(A l B  )   = P (A and B) / P(B) =     0.2 / 0.4  =   0.5

 

Independent because    P(A l B) = P(A)

 

 

cool cool cool

 Dec 19, 2018

10 Online Users

avatar
avatar