The mean amount consumed was 462 oz assuming the amount of

Reference no: EM13613120

Do you drink the recommended amount of water each day? Most Americans don't! On average, Americans drink 5.5 eight-oz servings of water a day. A sample of 50 education professionals was randomly selected and their water consumption for a 24-hour period was monitored; the mean amount consumed was 46.2 oz. Assuming the amount of water consumed daily by adults is normally distributed and the standard deviation is 11.5 oz, is there sufficient evidence to show that education professionals consume, on average, more water daily than the national average? Use ? = .05. a) Find z. (Give your answer correct to two decimal places.) (ii) Find the p-value. (Give your answer correct to four decimal places.)

Reference no: EM13613120

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