Concept explainers
a.
What is the probability that the same person has to wash the dishes
a.
Answer to Problem 27PPS
Explanation of Solution
Given information:
Six roommates randomly select someone to wash the dishes each day.
What is the probability that the same person has to wash the dishes
Calculation:
The probability of
Here
Hence there are
The probability of failure is,
Substitute
Hence, the probability that the same person has to wash dishes
b.
What method can the roommates use to select who washes the dishes each day?
b.
Answer to Problem 27PPS
The person whose numbers turns up will wash the dishes that day.
Explanation of Solution
Given information:
Six roommates randomly select someone to wash the dishes each day.
What method can the roommates use to select who washes the dishes each day?
Calculation:
To make a fair decision, the random selection can be done by assigning each number from
Hence, the person whose numbers turns up will wash the dishes that day.
Chapter 11 Solutions
Glencoe Algebra 2 Student Edition C2014
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