The Next Questions Are Based on the Following Information

question 79

Multiple Choice

The Next Questions Are Based On The Following Information:
A small community college claims that their average class size is equal to 35 students.This claim is being tested with a level of significance equal to 0.02 using the following sample of class sizes: 42,28,36,47,35,41,33,30,39,and 48.Assume class sizes are normally distributed.
-The manufacturer of bags of cement claims that they fill each bag with at least 50.2 pounds of cement.Assume that the standard deviation for the amount in each bag is 1.2 pounds.The decision rule is adopted to shut down the filling machine if the sample mean weight for a sample of 40 bags is below 49.8.Suppose that the true mean weight of bags is 50 pounds.Using this decision rule,what is the probability of a Type II error?

• A)0.85
• B)0.70
• C)0.80
• D)0.75

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Definitions:

Blood Sugar

The concentration of glucose in the blood, crucial for energy provision in the body.

Wagner's SOP Model

A theoretical model in psychology that explains how stimuli are processed into memories, focusing on the processes of acquisition, storage, and retrieval.

Conditioned Withdrawal Reaction

A reaction that occurs when an individual experiences withdrawal symptoms in response to cues associated with the substance use, after conditioning.

Drug Addiction

A chronic, relapsing disorder characterized by compulsive drug seeking, continued use despite harmful consequences, and long-lasting changes in the brain.