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The population standard deviation for number of hours of sleep that people get per night is 1.3 hours. You are interested in finding a 95% confidence interval for the mean amount of sleep people who do not drink coffee get. The data below show the results of the survey that you took. Assume that the standard deviation for people who do not drink coffee is the same as the standard deviation for the general population. 6,8,7,8,8,7,9,5,7,8,6,7,8 Assume a normal distribution and round your answers to two decimal places. A. To compute the confidence interval, use the [Select] distribution. B. With 95% confidence the mean number of hours that people who do not drink coffee get is between [Select ] and [Select] C. If many groups of 13 randomly selected people who do not drink coffee are surveyed, then a different confidence interval would be produced from each group. About [Select] percent of these confidence intervals will contain the true population mean number of hours of sleen per night and about [Select]

The population standard deviation for number of hours of sleep that people get per night is 1.3 hours. You are interested in finding a 95% confidence interval for the mean amount of sleep people who do not drink coffee get. The data below show the results of the survey that you took. Assume that the standard deviation for people who do not drink coffee is the same as the standard deviation for the general population. 6,8,7,8,8,7,9,5,7,8,6,7,8 Assume a normal distribution and round your answers to two decimal places. A. To compute the confidence interval, use the [Select] distribution. B. With 95% confidence the mean number of hours that people who do not drink coffee get is between [Select ] and [Select] C. If many groups of 13 randomly selected people who do not drink coffee are surveyed, then a different confidence interval would be produced from each group. About [Select] percent of these confidence intervals will contain the true population mean number of hours of sleen per night and about [Select]

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 26PFA
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The population standard deviation for number of hours of sleep that people get per night is 1.3 hours. You are interested in finding a 95% confidence interval for the mean amount of sleep people who do not drink coffee get. The data below show the results of the survey that you took. Assume that the standard deviation for people who do not drink coffee is the same as the standard deviation for the general population. 6,8,7,8,8,7,9,5,7,8,6,7,8 Assume a normal distribution and round your answers to two decimal places. A. To compute the confidence interval, use the [Select] distribution. B. With 95% confidence the mean number of hours that people who do not drink coffee get is between [Select] and [ Select] C. If many groups of 13 randomly selected people who do not drink coffee are surveyed, then a different confidence interval would be produced from each group. About [Select] percent of these confidence intervals will contain the true population mean number of hours of sleep per night and about [Select] percent will not contain the true population mean number of hours of sleep per night.
Transcribed Image Text:The population standard deviation for number of hours of sleep that people get per night is 1.3 hours. You are interested in finding a 95% confidence interval for the mean amount of sleep people who do not drink coffee get. The data below show the results of the survey that you took. Assume that the standard deviation for people who do not drink coffee is the same as the standard deviation for the general population. 6,8,7,8,8,7,9,5,7,8,6,7,8 Assume a normal distribution and round your answers to two decimal places. A. To compute the confidence interval, use the [Select] distribution. B. With 95% confidence the mean number of hours that people who do not drink coffee get is between [Select] and [ Select] C. If many groups of 13 randomly selected people who do not drink coffee are surveyed, then a different confidence interval would be produced from each group. About [Select] percent of these confidence intervals will contain the true population mean number of hours of sleep per night and about [Select] percent will not contain the true population mean number of hours of sleep per night.
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