probabilities statistics

Statistics
Tutor: None Selected Time limit: 1 Day

Feb 11th, 2015

(a). we know n/m = P(A)/ 1-P(A)

      Cross multiply and we get n- n P(A) = m P ( A)

      n= n P (A) + m ( P (A)

     n = P (A) ( n +m)

   n/n+m =  P (A)

(b).  Using the above proven relationship,

   P (A) = n/n+m = 1/1+13 = 1/14 = .07

(c) again p(A) = 1/1+5 = 1/6= .17

Feb 11th, 2015

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Feb 11th, 2015
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Feb 11th, 2015
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