# Do Americans drink enough water?

Do Americans drink enough water? A sample of 42 professionals was selected and their water consumption was monitored over a 24 hour period. The mean amount consumed was 39.3 oz with a standard deviation of 11.2 oz. If the recommendation is for Americans to drink 4.6 8 oz servings a day, do Americans' consumption significantly vary from this? Use a 95% confidence level to test and be sure and state your hypotheses.

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#### Solution Preview

Do Americans drink enough water? A sample of 42 professionals was selected and their water consumption was monitored over a 24 hour period. The mean amount consumed was 39.3 oz with a standard deviation of 11.2 oz. If the recommendation is for Americans to drink 4.6 8 oz servings a day, do Americans' consumption significantly vary from this? Use a 95% confidence level to test and be sure and state your hypotheses.

Please refer to the attached document for a more in-depth solution.

Use Hypothesis Test of the Mean, for large sample size

Step 1) Identify the following values from the question:

n = 42 (sample size)

= 39.3 ...

#### Solution Summary

This response looks at the statics of consumption of water by Americans.