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when a dime is tossed 3 times eight likely outcomes are possible. let a=event the first toss is heads, b=third toss is tails and c=event the total number is one

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1 Answer

a)  P ( Cl A) = 1/2 
 
b) P ( C l A) = 1/2
 
  Let H= 1   Tail =0
 
c ) P ( Cl A) = P( T T H) + P ( T H T ) + P ( H T T ) = 3 ( 1/8 ) 3/8
 
  A & C are independent, because outcome of first toss has no effect on 2nd and 3rd Toss.

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