
Concept explainers
a.
To calculate the probability
a.

Answer to Problem 55PPS
Explanation of Solution
Given information:
Formula used:
Probability is,
Calculation:
The total number of ways the points can be chosen,
Hence, there is one way to choose collinear points.
Hence,
On solving,
b.
To calculate the probability
b.

Answer to Problem 55PPS
Explanation of Solution
Given information:
Formula used:
Probability is,
Calculation:
All the points are on the same plane.
Hence,
On solving,
Chapter 1 Solutions
Geometry, Student Edition
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