A Professor at a Local University Noted That the Grades

question 125

Short Answer

A professor at a local university noted that the grades of her students were normally distributed with a mean of 78 and a standard deviation of 10.
a.The professor has informed us that 16.6 percent of her students received grades of A. What is the minimum score needed to receive a grade of A?
b.If 12.1 percent of her students failed the course and received F's, what was the maximum score among those who received an F?
c.If 33 percent of the students received grades of B or better (i.e., A's and B's), what is the minimum score of those who received a B?

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Definitions:

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Anti-lock Braking System specifically designed for trailers, helping to prevent the wheels from locking up during braking and maintaining trailer stability.

Multiplexed Truck System

A system that integrates the control and monitoring of various vehicle functions into a single, computer-managed network, improving efficiency and reducing wiring complexity.

Data 'Message'

A data message is a structured unit of digital information transmitted between systems or components in a network, often encoded for communication and processing.

Packet

Any data message broadcast on a data bus; may be node-to-node (SA to SA) or occur when a ladder smart switch resistance changes, indicating a change in status.