in exercise 13.3, qno.10,

how is P(A|E2) =3/8?

Asked by Shifa Ismail | 27th Apr, 2014, 12:07: PM

Expert Answer:

P open parentheses A divided by E subscript 1 close parentheses equals P r o b a b i l i t y space o f space g e t t i n g space e x a c t l y space o n e space h e a d space w h e n space a space c o i n space i s space t o s s e d space t h r e e space t i m e s rightwards double arrow P open parentheses A divided by E subscript 1 close parentheses equals cubed C subscript 1 open parentheses 1 half close parentheses to the power of 1 open parentheses 1 half close parentheses squared equals 3 over 8 P open parentheses A divided by E subscript 2 close parentheses equals P r o b a b i l i t y space o f space g e t t i n g space e x a c t l y space o n e space h e a d space w h e n space a space c o i n space i s space t o s s e d space o n l y space o n c e rightwards double arrow P open parentheses A divided by E subscript 2 close parentheses equals 1 half

Answered by  | 29th Apr, 2014, 10:17: AM

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