Question

The following contingency table gives the results of a sample survey of South African male and female respondents with regard to their preferred supermarket:

Preferred Supermarket
	Pick a Pay	Checkers	Woolworths	Total
No of Females	70	60	125	255
No of Males	70	50	25	145
Total	140	110	150	400

a) What is the probability of randomly selecting a male respondent from the sample? (2)

b) What is the probability of randomly selecting a respondent who is female and prefers Checkers? (2)

c) What is the probability of selecting a male respondent, given that the preferred supermarket is Pick n Pay?(2)

d) What is the probability of selecting a respondent who is male or who prefers Woolworths? (4)

Q.1.1.5           What is the probability of selecting a respondent who does not prefer Woolworths?

Answer 1