# Confidence Intervals

In this week’s reading, we discussed different types of samples,
their distributions, sampling errors, probabilities, and confidence
intervals. Using the appropriate support tool, sequence, and equations,
complete

*Problem 33 in Chapter 8 on page 351.***Problem 8-33. **You have been assigned to 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?Show work.

Field of study: