Concept explainers
a.
To find: the combination that the 12 spots can be chosen.
a.
Answer to Problem 24PPS
The 12 spots can be chosen in 1352078 ways.
Explanation of Solution
Given information:
Total number of students is 23.
Total number of spots is 12.
Formula used:
Calculation :
Number of ways to choose the 12 spots are-
Hence, there are 1352078 ways that the 12 spots can be chosen.
Likewise, there are
Thus, the probability that 5 marbles of each color are selected is-
Hence, the probability that 5 marbles of each color are selected is
b.
To find: the probability that at least one senior student will be chosen.
b.
Answer to Problem 24PPS
The probability that at least one senior student will be chosen is
Explanation of Solution
Given information:
Total number of students is
Total number of senior students is 8.
Calculation :
Total number of non-senior students is
To calculate the probability that at least one senior student will be chosen,
Hence, the probability that at least one senior student will be chosen is
Chapter 12 Solutions
Algebra 1
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