Administrative Assistants in a Local University Have Been Asked to Prove

question 45

Short Answer

Administrative assistants in a local university have been asked to prove their proficiency in the use of spreadsheet software by taking a proficiency test.Historically,the mean test score has been 74 with a standard deviation of 4.A random sample of size 40 is taken from the 100 administrative assistants and asked to complete the proficiency test.
A)Calculate the expected value and the standard deviation of the sample mean.
B)What is the probability that the sample mean score is more than 75,the predetermined passing score?

• A)Calculate the expected value and the standard deviation of the sample mean.
• B)What is the probability that the sample mean score is more than 75,the predetermined passing score?

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Definitions:

Comparative Negligence

A legal doctrine that allocates damages based on the degree of fault or negligence of each party involved in an incident, reducing compensation accordingly.

Assumption of the Risk

A defense in tort law that a person knowingly exposed themselves to a dangerous situation and is therefore responsible for their own injuries.

Contributory Negligence

A legal concept where the plaintiff's own negligence played a part in causing their damages, potentially reducing the amount they can recover.

Elements of Causation

Fundamental components required to establish a cause-and-effect relationship in a legal context, typically including direct cause, foreseeability, and harm.