random sample of 1000 students was selected from among the senior high school students across the Philippines. The average number of hours per day a typical student spends taking meals was found to be 2 h. Suppose the standard deviation if the population is actually s = 15 h.  QUESTION: What happens to the length of the confidence intervals when the population from which you are sampling becomes dispersed

A First Course in Probability (10th Edition)
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ISBN:9780134753119
Author:Sheldon Ross
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Chapter1: Combinatorial Analysis
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A random sample of 1000 students was selected from among the senior high school students across the Philippines. The average number of hours per day a typical student spends taking meals was found to be 2 h. Suppose the standard deviation if the population is actually s = 15 h. 

QUESTION: What happens to the length of the confidence intervals when the population from which you are sampling becomes dispersed? 

Level of Confidence
(1 — а)
* 100% Confidence Interval for u
(1 — а) * 100%
Lower Limit
Upper Limit
90%
1.922
2.078
95%
1.907
2.093
98%
1.8897
2.1103
99%
1.8778
2.1222
Transcribed Image Text:Level of Confidence (1 — а) * 100% Confidence Interval for u (1 — а) * 100% Lower Limit Upper Limit 90% 1.922 2.078 95% 1.907 2.093 98% 1.8897 2.1103 99% 1.8778 2.1222
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