- #1

chwala

Gold Member

- 2,650

- 351

- Homework Statement
- See attached ( textbook question).

- Relevant Equations
- Understanding of conditional probability

##P(C)=0.7×0.6=0.42##

##P(C|A')=\dfrac{P(C)-P(A∩C)}{P(A')}=\dfrac{0.42-(0.3×0.42)}{0.7}=\dfrac{0.294}{0.7}=0.42## which is wrong according to textbook solution.

Where is my mistake? cheers.

#### Attachments

Last edited by a moderator: