Concept explainers
To calculate: To find the probability that the shoes are either gray, white, size 11 or size 12
Answer to Problem 1E
The probability that the shoes are either gray, white, size 11 or size 12is
Explanation of Solution
Given information: A store has gray, white or black shoes in sizes 8, 9, 10, 11 and 12 and a pair shoes is chosen at random
Formula Used:
Probability is defined as the likelihood of an event.
Probability is calculated as
Calculation:
Event is defined as choosing a pair of shoes at random
Total number of possible outcomes
Possible outcomes shoes are either gray, white, size 11 or size 12
Color | Size |
Grey | 8, 9, 10, 11, 12 |
White | 8, 9, 10, 11, 12 |
Black | 8, 9, 10, 11, 12 |
Hence, number of possible outcomes
Thus, probability that the shoes are either gray, white, size 11 or size 12is calculated as
Conclusion:
Hence, the required probability is
Correct option is C
Chapter 13 Solutions
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