Concept explainers
a.
Determine the probabilities associated with the number of students.
a.
Answer to Problem 6CYU
Explanation of Solution
Given information:
A poll at steve’s high school was taken to see if students are in favour of spending class money to expand the junior-senior parking lot. Steve surveyed
Determine the probabilities associated with the number of students that Steve asked who are in favour of expanding the parking lot by calculating the probability distribution.
Calculation:
A poll was conducted in a school to know if the students are spending class money to expand the junior-senior parking lot. A boy named, S, in the school surveyed
The probability of
Here
Since
While the remaining
Substitute
Hence, the probability that none of the
Substitute
Hence, the probability that exactly one student of the 6 random students surveyed by S, vote in favor is
Substitute
Hence, the probability that exactly
Substitute
Hence, the probability that exactly
Substitute
Hence, the probability that exactly
Substitute
Hence, the probability that exactly
Substitute
Hence, the probability that all
b.
What is the probability that no more than
b.
Answer to Problem 6CYU
Explanation of Solution
Given information:
A poll at steve’s high school was taken to see if students are in favour of spending class money to expand the junior-senior parking lot. Steve surveyed
What is the probability that no more than
Calculation:
A poll was conducted in a school to know if the students are spending class money to expand the junior-senior parking lot. A boy named, S, in the school surveyed
The number of people out of
From part a, it is clear that,
So, the probability that no mora than
Hence, the probability that no more than
c.
How many students should Steve expect to find who are in favour of expanding the parking lot?
c.
Answer to Problem 6CYU
Explanation of Solution
Given information:
A poll at steve’s high school was taken to see if students are in favour of spending class money to expand the junior-senior parking lot. Steve surveyed
How many students should Steve expect to find who are in favour of expanding the parking lot?
Calculation:
A poll was conducted in a school to know if the students are spending class money to expand the junior-senior parking lot. A boy named, S, in the school surveyed
Generally, the mean
Here
For the above situation, it is clear that
Hence, the number of students that the boy named S should expect to find who vote in favor of expanding the parking lot is
Chapter 11 Solutions
Glencoe Algebra 2 Student Edition C2014
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