If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events.
.30 * 120,000/1,800,000 = .30 * 12/180 = ?
In the year 2003, the population of a certain district was 1.8 million. Thirty percent of the population was in the age group 15-40 years. In the same year, 120,000 people in the district the Voluntary Counseling and Testing (VCT) contra for an HIV test. If a person was selected at random from the district in this year. Find the probability that the person visited a VCT centre and was in the age group 15- 60 years.
1 answer