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

question 66

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.On one occasion where a sample of 40 customers was selected,the average number of days was 6.65,with a sample standard deviation of 1.5 days.Can the operations manager conclude that his mail-order business is achieving its goal? Use a significance level of 0.025 to answer this question.

• A)Since 2.2216 < 2.4511,reject H₀ and conclude that the mail-order business is not achieving its goal
• B)Since 2.7406 > 2.023,reject H₀ and conclude that the mail-order business is not achieving its goal.
• C)Since 2.4421 > 2.023,reject H₀ and conclude that the mail-order business is not achieving its goal.
• D)Since 2.2346 < 2.5113,reject H₀ and conclude that the mail-order business is not achieving its goal.

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Definitions:

Panic Disorder

A mental health condition characterized by sudden and repeated episodes of intense fear or discomfort along with physical symptoms like heart palpitations and dizziness.

Distress

Negative stress that contributes to anxiety or worry, often resulting from perceived threats or challenges.

Incapacitating Efforts

Actions or strategies designed to prevent someone or something from functioning in a normal or effective way.

Anxiety-Producing Situations

Circumstances or events that trigger feelings of worry, nervousness, or fear, often leading to physical or emotional stress responses.