A survey of 200 people included 90 females. It found that 60 people smoked, 40 of whom were male.
Use the given information to complete the two-way table.
Female
Male
Total
Smoker
Non-smoker
Total
a. A person is selected at random. Find the probability that this person is: a female non-smoker
b. A person is selected at random. Find the probability that this person is: a male given the person was a non-smoker.
c. If two people from the survey are selected at random, calculate the probability that: both of them are non-smoking females
d. If two people from the survey are selected at random, calculate the probability that: one is a smoker and the other is a non-smoker.