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Mathematics, 01.12.2020 05:50 evelynontiveros2016
You are given the sample mean and the sample standard deviation Assume the population is normally distributed and use the T distribution define margine of error and construct a 95% confidence interval for the population mean. Interpret the results.
1. In a random sample of 8 people, the main commute time to work was 35.5 minutes and the standard deviation was 7.2 minutes.
2. In a random sample of 13 microwaves, the main repair cost was $80.00 and the standard deviation was $13.50.
3. In a random sample of 7 computers, the repair cost was $110.00 and a standard division was $44.50
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You are given the sample mean and the sample standard deviation Assume the population is normally di...
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