Water fills a community pool steadily all day, at a constant rate of 2.3 feet of water each hour. after 4 hours of attempting to fill the pool, the lifeguard turns the water off. if the pool was completely empty 4 hours ago, how much water is in the pool now?

Describe in detail how you would construct a 95% confidence interval for a set of 30 data points whose mean is 20 and population standard deviation is 3. be sure to show that you know the formula and how to plug into it. also, clearly state the margin of error.

Find the balance at the end of 4 years if 1000 is deposited at the rate of

Atemperature of 1.64◦f corresponds to answer in units of ◦c.