From a city population, the probability of selecting a male smoker is 2/5. If a male is first selected, the the probability that he is a smoker is

According to the Cancer Research Institute, smoking causes 92% of all lung cancers in men. Find the probability of two randomly selected men having lung cancer caused by smoking.

In a certain liberal arts college with about 10,000 students, 40% are males. If two students from this college are selected at random, what is the probability that they are both males? 0 0.16 0.80 0.64 0.25

In the year 2002 the population of a town was 324000people. Out of these, 55%were females and 2/5of the town population were adults above 25years. If a person was picked at random from this town during that year, find the probability that the person was (a)below 25years (b)male and above 25years

At a local college, 297 of the male students are smokers and 693 are non-smokers. Of the female students, 310 are smokers and 690 are non-smokers. A male student and a female student from the college are randomly selected for a survey. What is the probability that both are non-smokers?Do not round your answer.

In a certain town, 80% of the residents own a car, and 30% of the car owners also own a motorcycle. If a resident is randomly selected, what is the probability that the selected person owns a car and a motorcycle?（Keep two decimal places）