A Coffee Machine Dispenses Normally Distributed Amounts of Coffee with a Mean

question 91

Multiple Choice

A coffee machine dispenses normally distributed amounts of coffee with a mean of 12 ounces and a standard deviation of 0.2 ounce. If a sample of 9 cups is selected, find the probability that the mean of the sample will be
Greater than 12.1 ounces. Find the probability if the sample is just 1 cup.

• A)0.0668; 0.3085
• B)0.0668; 0.8085
• C)0.5668; 0.8085
• D)0.5668; 0.3085

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Definitions:

Direct Labor Rate Variance

The difference between the actual cost of direct labor and the expected (or standard) cost, multiplied by the actual hours worked.

Produced Units

The total quantity of items manufactured or completed in a given period by a production process.

Data Period

The specific timeframe during which data is collected for analysis or reporting purposes.

Direct Labor

The labor cost directly associated with the production of goods or services, such as wages paid to workers or employees.