he 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 n Pay Checkers Woolworths Total No. of Females 70 60 125 255 No. of Males 70 50 25 145 Total 140 110 150 400 What is the probability of selecting a respondent who is male or who prefers Woolworths? What is the probability of selecting a respondent who does not prefer Woolworths?
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 n Pay Checkers Woolworths Total
No. of Females 70 60 125 255
No. of Males 70 50 25 145
Total 140 110 150 400
What is the
prefers Woolworths?
What is the probability of selecting a respondent who does not prefer
Woolworths?
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