Define a family?

Name the members of the alkaline earth family

An Organisation selected 2400 families at random and surveyed them to determine a relationship between income level and the number of vehiclesin a family. The information gathered is listed in the table below : Suppose a family is chosen. Find the probability that the family chosen is : earning less than $ 7000 per month and does not own any vehicle.

An Organisation selected 2400 families at random and surveyed them to determine a relationship between income level and the number of vehiclesin a family. The information gathered is listed in the table below : Suppose a family is chosen. Find the probability that the family chosen is : earning $ 10000-13000 per month and owning exactly 2 vehicles.

An Organisation selected 2400 families at random and surveyed them to determine a relationship between income level and the number of vehiclesin a family. The information gathered is listed in the table below : Suppose a family is chosen. Find the probability that the family chosen is : earning $ 16000 or more per month and owning exactly 1 vehicle.

An Organisation selected 2400 families at random and surveyed them to determine a relationship between income level and the number of vehiclesin a family. The information gathered is listed in the table below : Suppose a family is chosen. Find the probability that the family chosen is : earning $ 13000-16000 per month and owning more than 2 vehicles.

An Organisation selected 2400 families at random and surveyed them to determine a relationship between income level and the number of vehiclesin a family. The information gathered is listed in the table below : Suppose a family is chosen. Find the probability that the family chosen is : not more than 1 vehicle.

An experiment consists of recording boy-girl composition of families with 2 children. What is the sample space if we are interested in the number of girls in a family ?