Concept explainers
(a)
To calculate the
(a)
Answer to Problem 8.61E
Explanation of Solution
Given:
Evaluate the binomial at
(b)
To calculate the probability that three or fewer students in the sample are left handed.
(b)
Answer to Problem 8.61E
Explanation of Solution
Given:
Evaluate the binomial at
Use addition rule:
(c)
To explain would you be surprised if the SRS contained four left handed students, justify using probability.
(c)
Answer to Problem 8.61E
Should not be surprised.
Explanation of Solution
Use the compliment rule from part (b):
You should not be surprised to obtain four left handed students because the probability of having four or more left handed students is not very small.
Chapter 8 Solutions
Statistics Through Applications
Additional Math Textbook Solutions
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