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it:
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83.

82.

Define weighted index numbers.

What is meant by cost of living index number ?
Define Fisher’s index number

What is meant by vital records ?

Define crude death rate.

Define age specific birth rate.

Define random experiment.

Define mutually exclusive events.

Find the probability of getting at least one head when two coins are tossed.

C 4027

(10 x 2 = 20 marks)

Part C (Short essay questions)

Answer any six questions.

(5x -2)"
3

Differentiate with respect to x.

Explain the concepts of total cost function, marginal cost function and average cost.

The revenue function is R = 14x - x? and the cost function is T = x (x* — 2). Find the marginal

functions, equilibrium position and profit function.

What is an index number. Define Laspeyer’s and Paschee’s Index numbers ? What the tests to be

satisfied by an ideal index number ?
What are the different mortality rates used in vital statistics ? Explain.
What is meant by General fertility rate and specific fertility rate ?

State addition theorem on probability for two events. What will happen if the events are disjoint ?

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Given P(A) = 3

௮)-3, ೫(&೫)-33. ೫067 (9).

(6 x 5 = 30 marks)

Turn over