Suppose a Sample of N = 50 Items Is Selected $\mu$

question 17

Multiple Choice

Suppose a sample of n = 50 items is selected from a population of manufactured products and the weight, X, of each item is recorded.Prior experience has shown that the weight has a probabilitydistribution with $\mu$ = 6 ounces and $\sigma$ = 2.5 ounces.Which of the following is true about thesampling distribution of the sample mean if a sample of size 15 is selected?

• A)The mean of the sampling distribution is 6 ounces.
• B)The standard deviation of the sampling distribution is 2.5 ounces.
• C)The shape of the sampling distribution is approximately normal.
• D)All the above are correct.

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Definitions:

Crimes

Acts or omissions that are prohibited by law and are punishable by the state or other authority.

Criminology

The systematic scientific study of crime, criminals, and criminal justice.

Criminal Justice

The system of practices and institutions designed to uphold social control, deter and mitigate crime, and sanction those violating laws with criminal penalties and rehabilitation efforts.

Social Norm

An unwritten rule or expectation governing behavior within a society or group, shaping individuals' actions and interactions.