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(a)
To explain why we cannot safely use either the large-sample confidence interval or the test for comparing the proportions of normal and altered mice that develop tumors.
(a)
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Explanation of Solution
In the question, it is given that out of the
(b)
To find out what are the
(b)
![Check Mark](/static/check-mark.png)
Answer to Problem 20.21E
The sample sizes are
Explanation of Solution
In the question, it is given that out of the
The sample sizes are:
Thus, plus four
(c)
To explain based on your confidence interval that is the difference between normal and altered mice significant at the
(c)
![Check Mark](/static/check-mark.png)
Answer to Problem 20.21E
Yes, the difference is significant at the
Explanation of Solution
In the question, it is given that out of the
Thus, plus four
Thus, we can see that in the plus four
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Chapter 20 Solutions
Practice of Statistics in the Life Sciences
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