The following contingency table gives the results of a sample survey of male and female respondents with regard to their preferred cellphone service provider: Preferred supplier Vodacom MTN Cell C Total No. of Males 100 100 50 250 No. of females 150 175 25 250 Total 250 275 75 500 1. What is the probability of randomly selecting a male respondent from the sample? 2. What is the probability of randomly selecting a respondent who is female and prefers MTN? 3. What is the probability of selecting a male respondent, given that the preferred provider is Cell C?
The following contingency table gives the results of a sample survey of male and female respondents with regard to their preferred cellphone service provider: Preferred supplier Vodacom MTN Cell C Total No. of Males 100 100 50 250 No. of females 150 175 25 250 Total 250 275 75 500 1. What is the probability of randomly selecting a male respondent from the sample? 2. What is the probability of randomly selecting a respondent who is female and prefers MTN? 3. What is the probability of selecting a male respondent, given that the preferred provider is Cell C?
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 4ECP: Show that the probability of drawing a club at random from a standard deck of 52 playing cards is...
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The following contingency table gives the results of a sample survey of
male and female respondents with regard to their preferred cellphone
service provider:
| Preferred supplier |
| Vodacom | MTN | Cell C | Total |
| No. of Males | 100 | 100 | 50 | 250 |
| No. of females | 150 | 175 | 25 | 250 |
| Total | 250 | 275 | 75 | 500 |
1. What is the
the sample?
2. What is the probability of randomly selecting a respondent who is
female and prefers MTN?
3. What is the probability of selecting a male respondent, given that the
preferred provider is Cell C?
4. What is the probability of selecting a respondent who is male or who
prefers Vodacom?
5. What isthe probability of selecting a respondent who does not prefer
Vodacom?
Appreciate the assistance
Thanks
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