A Mail-Order Business Prides Itself in Its Ability to Fill

question 50

Multiple Choice

A mail-order business prides itself in its ability to fill customers' orders in six calendar days or less on the average. Periodically, the operations manager selects a random sample of customer orders and determines the number of days required to fill the orders. Based on this sample information, he decides if the desired standard is not being met. He will assume that the average number of days to fill customers' orders is six or less unless the data suggest strongly otherwise. Establish the appropriate null and alternative hypotheses.

• A) H0 : μ ≥ 6 days Ha : μ < 6 days
• B) H0 : μ ≤ 6 days Ha : μ > 6 days
• C) H0 : μ > 6 days Ha : μ ≤ 6 days
• D) H0 : μ < 6 days Ha : μ ≥ 6 days

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Definitions:

Physical Activity

An activity that requires bodily movement, producing an increase in heart rate and energy expenditure beyond resting levels.

Prevention Strategy

A plan or approach designed to avert or reduce the risk of diseases and other health problems before they occur.

Sodium

A chemical element (Na) that plays a crucial role in maintaining normal fluid balance and is necessary for proper muscle and nerve function.

Processed Foods

Foods that have been altered from their natural state, often for safety reasons or convenience, which can sometimes lead to reduced nutritional value.