In an Application to Estimate the Mean Number of Miles

question 94

Multiple Choice

In an application to estimate the mean number of miles that downtown employees commute to work roundtrip each day,the following information is given: n = 20 = 4.33
S = 3.50
Based on this information,the upper limit for a 95 percent confidence interval estimate for the true population mean is:

• A)about 5.97 miles.
• B)about 7.83 miles.
• C)nearly 12.0 miles.
• D)about 5.86 miles.

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Definitions:

PLCs

Programmable Logic Controllers (PLCs) are specialized computers used in industrial and mechanical processes to monitor inputs and control outputs based on programmable logic stored in memory.

Continuous Task

In control systems and computing, a continuous task is one that runs continuously, processing and responding to input signals or data without interruption.

Periodic

Occurring or appearing at regular intervals of time.

Event-Based

Pertaining to systems, programming, or actions that are triggered or initiated by specific events or conditions rather than occurring in a continuous or time-based manner.