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http://prntscr.com/ndyq3j

 Apr 19, 2019
 #1
avatar+104899 
+1

If P (not A)  = 3/4....then P(A) = 1/4

 

If independent

 

P(A and B ) = P(A) * P(B)

 

3/40  =  1/4 * 3/10

 

3/40  = 3/40    Independent....good job !!!

 

 

Second one

 

P(A and B)  = P(A) * P(B)

 

9/100  =  1/ 5  *  9 /20

 

 

 

cool cool cool

 Apr 19, 2019
 #2
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THANKYOUUU

 Apr 19, 2019

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