Question

Suppose Jason read an article stating that in a 2003‑2004 survey, the average American adult age 19‑30 drank an average of 1.47 liters of plain water per day with a standard deviation of 0.09 liters. Jason wants to find out if the men at his college drink a similar amount per day. He asks a random sample of 45 male students in his college to record the amount of water they drink in one day, and he is willing to assume that the standard deviation at his college is the same as in the 2003‑2004 survey. The sample mean liters of water in Jason's sample is 1.52. Jason wants to determine a rough approximation of the 95% confidence interval for ? , the average amount of water the men at his college drink per day. Enter the lower and upper limits of the approximate 95% confidence interval for the mean amount of water that the male students drink per day. Round your final answer to four decimal places.

Answer 1

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