SOLUTION: A marketing research company desires to know the mean consumption of milk per week among people over age 45. A sample of 306 people over age 45 was drawn and the mean milk consumpt
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Question: A marketing research company desires to know the mean consumption of milk per week among males over age 30. A sample of 488 males over age 30 was drawn and the mean milk consumption was 4.8 liters. Assume that the population standard deviation is known to be 0.7 liters. Construct the 99% confidence interval tor the mean consumption of milk among males over
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To construct the confidence interval, start with identifying the given variables: sample size (n = 488), sample mean (4.8 liters), population standard deviation (0.7 liters) and confidence level (99%).
Given that,
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A marketing research company desires to know the mean consumption of milk per week among males over age 30. A sample of 488 males over age 30 was drawn and the mean milk consumption was 4.8 liters. Assume that the population standard deviation is known to be 0.7 liters. Construct the 99% confidence interval tor the mean consumption of milk ...
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VIDEO ANSWER: For this question, we are asked how large a sample size is necessary if we want to construct a 95 % confidence interval for a population mean wit…
A marketing research company desires to know the mean consumption of milk per week among males over age 25. A sample of 512 males over age 25 was drawn and the mean milk consumption was 3.5 liters. Assume that the population standard deviation is known to be 1 liters. Construct the 90% confidence interval for the mean