Adult Drink
a Particular Study Claims That the Average U $\alpha$

question 138

Essay

Adult drink
A particular study claims that the average U.S.adult drinks 1.7 cups of coffee per day.To test this claim,a sample of 35 adults were asked about their coffee consumption.The sample average was 1.95 cups per day.Assume the population standard deviation is 0.5 cups per day and set $\alpha$ = 0.10.
-State the null and alternative hypothesis.

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Definitions:

Machine-Hours

A measure of the amount of time that a machine is operating, used as a basis for allocating manufacturing overhead costs.

Predetermined Overhead Rate

An estimated rate used to allocate overhead costs to products or job orders, calculated before the accounting period.

Machine-Hours

A measurement used in allocating manufacturing costs to products, representing the number of hours a machine is operated during the production process.

Predetermined Overhead Rate

The predetermined overhead rate is calculated before a period begins by dividing estimated overhead costs by an estimated allocation base, used to assign overhead costs to products.