   Chapter 9.CT, Problem 14CT Elementary Geometry For College St...

7th Edition
Alexander + 2 others
ISBN: 9781337614085

Solutions

Chapter
Section Elementary Geometry For College St...

7th Edition
Alexander + 2 others
ISBN: 9781337614085
Textbook Problem

Assume that a die used for gaming is in the shape of a regular octahedron. The faces are numbered 1 , 2 , 3 , 4 , ... , and 8. When this die is rolled once, what is the probability that the roll producesa) an even number result?b) a result greater than or equal to 6 ?

To determine

a)

To find:

The probability of the roll producing an even number result.

Explanation

Given:

Assume that a die used for gaming is in the shape of a regular octahedron. The faces are numbered 1, 2, 3, 4 ... 8. The die is rolled once

Calculation:

There are 8 faces in the octahedron.

Thus the possible results when a die is rolled once are {1,2,3,4,5,6,7,8}

To determine

b)

To find:

The probability of the roll producing a result greater than or equal to 6.

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