Question: a market research company wishes to know how many energy...
A market research company wishes to know how many energy drinks adults drink each week. They want to construct a 85% confidence interval for the mean and are assuming that the population standard deviation for the number of energy drinks consumed each week is 0.8. The study found that for a sample of 159 adults the mean number of energy drinks consumed per week is 7.6. Construct the desired confidence interval. Round your answers to one decimal place.