Briefly but clearly explain: (a) The null-hypothesis and the alternative hypothesis. (5 marks) (b) The circumstances in which the paired t-test should be used to test the difference between two means. (5 marks) (c) The difference if any between parametric tests and non-parametric tests. (5 marks) (d) The least squares […]

Specify the basic rules in Income Tax with regards to payment of pension from a registered scheme to: (i) The pensioner, (3 marks) (ii) The widow or widower of a pensioner. (4 marks) (c) Specify the main rules relating to a registered pension fund. (5 marks)

It is common in developing countries to have individuals who cannot distinguish between taxes and charges. Explain the difference between a tax and National social Security Fund deductions.

The following purchases and sales were made by Pepo Limited (VAT No. !00012Y) during the first two weeks of January 2006. Prices shown are inclusive of VAT at the standard rate of 16 percent. P U R C H A S E S S A L E S Unit Price […]

Explain the role and functions of a Value Added Tax tribunal.

The lifetimes of a certain type of electrical components are distributed with a mean of 800 hours and standard deviation of 160 hours. Required: (i) Identify situation (2 marks) (ii) If the manufacturer replaces all components that fail before the guaranteed minimum life time of 600 hours, what percentage of […]

A green grocer buys peaches in large consignments directly from a wholesaler. In view of the perishable nature of the commodity, the green grocer accepts that 15% of the supplied peaches will usually be unsalable. As he cannot check all the peaches individually, he selects a single batch of 10 […]

Vehicles pass a certain point on a busy single – lane road at an average rate of two per 10 second interval. Required: (i) Identify situation (3) (2 marks) (ii) Determine the probability that more than three cars pass this point during a 20 second interval. (3 marks)

In each of the following three situations, use the binomial, poisson, or normal distribution depending on which is the most appropriate. In each case, explain why you selected the distribution and draw attention to any feature which supports or casts doubt on the choice of distribution. (a) Situation 1: The […]