4.1 A recent survey found that 35 people out of a sample of 410 South Africans suffer from diabetes. Construct a 95% confidence interval for the true proportion of all South Africans who suffer from diabetes. Interpret your answer. (6)
Confidence Interval
Confidence Level |
Z - Limits |
90% |
± 1.645 |
95% |
±1.96 |
99% |
±2.58 |
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