The Time X a Student Spends Learning a Computer Software

question 193

Short Answer

The time x a student spends learning a computer software package is normally distributed with a mean of 8 hours and a standard deviation of 1.5 hours. A student is selected at random.
What is the probability that the student spends less than 6 hours learning the software package?
______________
What is the probability that the student spends at least 8.5 hours learning the software package?
______________
What is the probability that the student spends between 6.5 and 8.5 hours learning the software package?
______________

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Definitions:

Geometry

A branch of mathematics concerned with the properties and relations of points, lines, surfaces, solids, and higher dimensional analogs.

Motion Parallax

A depth cue that arises from the relative movement of objects as the observer moves, allowing the brain to gauge distance.

Distance Cue

Visual or auditory signals that help an observer judge how far away an object or sound source is.

Motion Parallax

A depth cue in visual perception where objects closer to the observer move faster across the visual field than objects further away.