Mathematics, 02.12.2020 18:40, bullockarwen

3. A study of 40 bowlers showed that their average score was 186. The standard deviation of the population is 6. a. Find the 95% confidence interval of the mean score for all bowlers.
b. Find the 95% confidence interval of the mean score is a sample bf 100 bowlers is used instead of sample of 40.
c. Which interval is smaller?

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3. A study of 40 bowlers showed that their average score was 186. The standard deviation of the popu...