1)In a certain town, male and female each form 50% of the population. It is known that 20% of the males and 5% of the females are unemployed. A research student studying the employment situation selects an unemployed person at random. What is the probability that the person so selected is: (a) male(b) Female

2)The following are the group index numbers and the group weights of an average working class family in Kazi kwa wazee city (9 marks)

Group Index numbers Weight

Food 330 50

Clothing 308 10

Fuel and light 200 12

Rent 162 12

Miscellaneous 180 16

Required:

Calculate the cost of living index and comment on your answer