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  • In Exercise 64 above, P(B | A′) is equal to A. 1|5 B. 3|10 C. 1|2 D. 3|5

In Exercise 64 above, P(B | A′) is equal to
A. 1|5
B. 3|10
C. 1|2
D. 3|5

Answers (1)

Referring to the above solution,

\\ P\left(B \mid A^{\prime}\right)=\frac{P\left(B \cap A^{\prime}\right)}{P\left(A^{\prime}\right)} \\ =\frac{P(B)-P(B \cap A)}{1-P(A)} \\ =\frac{\frac{3}{5}-\frac{3}{10}}{1-\frac{1}{2}}

\\ =\frac{\frac{6-3}{10}}{\frac{1}{2}} \\ =\frac{\frac{3}{10}}{\frac{1}{2}} \\ =\frac{3}{5}

Hence, the correct option is D

Posted by

infoexpert22

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