(a)
To explain what should the theoretical mean and standard deviations be for these sample sizes, according to the central limit theorem.
(a)
Answer to Problem 4E
The theoretical mean for all the sample sizes be
Explanation of Solution
It is given in the question, the estimation of what might happen when the automatic recognition character device reads a stack of application is given. Thus, the four different sample sizes as of size
Thus, for all the sample sizes it can be calculated as:
(b)
To explain how close are those theoretical values to what was observed in these simulations.
(b)
Answer to Problem 4E
They look very similar in values.
Explanation of Solution
It is given in the question, the estimation of what might happen when the automatic recognition character device reads a stack of application is given. Thus, the four different sample sizes as of size
Thus, by comparing the theoretical vales with the observed values we can see that they seems very similar in values.
(c)
To find out at what
(c)
Answer to Problem 4E
The sample size would you be comfortable using the Normal model as an approximation for the sampling distribution is the sample size of
Explanation of Solution
It is given in the question, the estimation of what might happen when the automatic recognition character device reads a stack of application is given. Thus, the four different sample sizes as of size
Thus, the sample size would you be comfortable using the Normal model as an approximation for the sampling distribution, by looking at the histogram in previous exercise is the sample size of
(d)
To explain what does the success or failure condition say about the choice you made in part (c).
(d)
Explanation of Solution
It is given in the question, the estimation of what might happen when the automatic recognition character device reads a stack of application is given. Thus, the four different sample sizes as of size
Thus, the sample size would you be comfortable using the Normal model as an approximation for the sampling distribution, by looking at the histogram in previous exercise is the sample size of
Thus, it is viable because there are at least ten people for both the successes and failures.
Chapter 18 Solutions
Stats: Modeling the World Nasta Edition Grades 9-12
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