# The amount of water consumed each day by a healthy

**tutor4helpyou**

The amount of water consumed each day by a healthy adult follows a normal distribution with a mean of 1.38 liters. A sample of 10 adults after the campaign shows the following consumption in liters:

1.48 1.50 1.42 1.40 1.56 1.80 1.62 1.84 1.42 1.39

At the .05 significance level, can we conclude that water consumption has increased? Calculate and interpret the p-value.

(a) State the null hypothesis and the alternate hypothesis. (Round your answers to 2 decimal places.)

(b) State the decision rule for .05 significance level. (Round your answer to 3 decimal places.)

(c) Compute the value of the test statistic. (Round the value of standard deviation and final answer to 3 decimal places.)

- 6 years ago

**The amount of water consumed each day by a healthy**

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### The amount of water consumed each day by a healthy adult

NOT RATEDThe amount of water consumed each day by a healthy adult follows a normal distribution with a mean of 1.38 liters. A sample of 10 adults after the campaign shows the following consumption in liters:

…7 years ago