We Draw a Random Sample of Size 25 from the Normal

question 128

Multiple Choice

We draw a random sample of size 25 from the normal population with variance 2.4. If the sample mean is 12.5, what is a 99% confidence interval for the population mean?

• A) [11.2600, 13.7400]
• B) [11.3835, 13.6165]
• C) [11.7019, 13.2981]
• D) [11.7793, 13.2207]

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Definitions:

Arguments

In programming, arguments are values that are passed to functions, procedures, or commands to be processed.

Rectangle

In geometry, a rectangle is a four-sided shape where every angle is a right angle and opposite sides are parallel and equal in length.

Arguments

The values or parameters that are passed to functions, procedures, or commands in programming and scripts.

Action

In computing, an operation initiated by a user or program, which causes a reaction by the system or software.