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You measure the weights of thirty-six random oranges and find that they have a mean weight of 91 grams. Assume the population standard deviation is 3.6 grams. Based on this information, construct a 85% confidence interval for the true population mean weight of an orange. Give your answer as a ± margin of error to four decimal places 土 grams

You measure the weights of thirty-six random oranges and find that they have a mean weight of 91 grams. Assume the population standard deviation is 3.6 grams. Based on this information, construct a 85% confidence interval for the true population mean weight of an orange. Give your answer as a ± margin of error to four decimal places 土 grams

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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You measure the weights of thirty-six random oranges and find that they have a mean weight of 91 grams. Assume the population standard deviation is 3.6 grams. Based on this information, construct a 85% confidence interval for the true population mean weight of an orange. Give your answer as + margin of error to four decimal places 士 grams You want to obtain a sample to estimate a population mean. Based on previous evidence, you believe the population standard deviation is approximately o = 31.4. You would like to be 92% confident that your esimate is within 0.2 of the true population mean. How large of a sample size is required? Do not round mid-calculation. However, use a critical z value accurate to two (2) decimal places. n =
Transcribed Image Text:You measure the weights of thirty-six random oranges and find that they have a mean weight of 91 grams. Assume the population standard deviation is 3.6 grams. Based on this information, construct a 85% confidence interval for the true population mean weight of an orange. Give your answer as + margin of error to four decimal places 士 grams You want to obtain a sample to estimate a population mean. Based on previous evidence, you believe the population standard deviation is approximately o = 31.4. You would like to be 92% confident that your esimate is within 0.2 of the true population mean. How large of a sample size is required? Do not round mid-calculation. However, use a critical z value accurate to two (2) decimal places. n =
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