Chapter 8: Q.8 (page 477)
Which distribution should you use for this problem?
The distribution is.
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The data in the Table are the result of a random survey of national flags (with replacement between picks) from various countries. We are interested in finding a confidence interval for the true mean number of colors on a national flag. Let the number of colors on a national flag.
Construct a confidence interval for the true mean number of colors on national flags.
Calculate the following:
a. lower limit
b. upper limit
c. error bound
In words, define the random variable .
Using the same p′ and level of confidence, suppose that n were increased to 100. Would the error bound become larger
or smaller? How do you know?
The data in the Table are the result of a random survey of national flags (with replacement between picks) from various countries. We are interested in finding a confidence interval for the true mean number of colors on a national flag. Let the number of colors on a national flag.
Construct a confidence interval for the true mean number of colors on national flags.
The confidence interval is_____.
In complete sentences, explain why the confidence interval in Exercise 8.17 is larger than in Exercise 8.18.
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