The Number of Hours Per Week That High School Students $\overline{ y}$

question 30

Multiple Choice

The number of hours per week that high school students spend on computers is normally distributed,with a mean of 5 hours and a standard deviation of 2 hours.70 students are chosen at random.Let $\overline{ y}$ represent the mean number of hours spent on the computer for this group.Find the probability that $\overline{ y}$ is between 5.1 and 5.7.

• A)0.672
• B)0.660
• C)0.115
• D)0.336
• E)2.510

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Definitions:

Interpersonal Communication

The exchange of information, feelings, and meaning between two or more people through verbal and/or non-verbal methods.

Communication Flows

The way information is transmitted within an organization, including upward, downward, and horizontal communication.

Communication Networks

The structured set of communication channels used within an organization or between individuals.

Chromatics

The science of colors, including their theory, production, and application in art and design.