a)
To find probability that all three responded “Protect the environment”.
a)
Answer to Problem 27E
The probability that the all three responded “Protect the environment” is 0.1952
Explanation of Solution
Given:
Calculation:
The probability that the all three responded “Protect the environment”
b)
To find probability that the none responded “Equally important”.
b)
Answer to Problem 27E
The probability that thenone responded “Equally important” =0.9131
Explanation of Solution
Given:
Calculation:
The probability that the none responded “Equally important”
c)
To explain the assumptions which need to compute probabilities.
c)
Answer to Problem 27E
Independent responses.
Explanation of Solution
Given:
Calculation:
There should be independent responses to calculate the probabilities.
d)
To explain whether the assumption is reasonable.
d)
Answer to Problem 27E
Yes.
Explanation of Solution
Given:
Calculation:
Yes, it is reasonable to assume that responses are independent since the three people were chosen at random.
Chapter 14 Solutions
Stats: Modeling the World Nasta Edition Grades 9-12
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