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A mail-order business prides itself in its ability to fill customers' orders in less than six calendar days, on average. Periodically, the operations manager selects a random sample of customer orders and determines the number of days required to fill the orders. On one occasion when a sample of 30 orders was selected, the average number of days was 6.65 with a sample standard deviation of 1.5 days. Assume the time in which an order is filled is normally distributed.
-Set up the null and alternative hypotheses to test whether the standard is being violated.
On-time Rates
A metric typically used to evaluate the performance of services, indicating the percentage of tasks or deliveries completed within the expected time frame.
Scheduled Deliveries
The planned or intended time for the arrival of goods.
On-time Rates
A measure used to evaluate the punctuality or timeliness of services, such as transportations or deliveries.
Scheduled Deliveries
A logistics or supply chain management term referring to the planned timing and routing of deliveries to optimize efficiency and meet customer expectations.
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