How large a sample do you need to take to ensure

Reference no: EM131167432

Determine whether more people prefer Coke or Pepsi. Assume that roughly half the population prefers Coke and half prefers Pepsi.

How large a sample do you need to take to ensure that you can estimate, with 95% confidence, the proportion of people preferring Coke within 2% of the actual value?

Reference no: EM131167432

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