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14. [0/2.36 Points] DETAILS MY NOTES PREVIOUS ANSWERS ASK YOUR TEACHER PRACTICE ANOTHER How much does a sleeping bag cost? Let's say you want a sleeping bag that should keep you warm in temperatures from 20°F to 45°F. A random sample of prices ($) for sleeping bags in this temperature range is given below. Assume that the population of x values has approximately normal distribution. 55 95 90 75 40 35 30 23 100 110 105 95 105 60 110 120 95 90 60 70 USE SALT (a) Use a calculator with mean and sample standard deviation keys to find the sample mean price $x$ (in dollars) and sample standard deviation $s$ (in dollars). (Round your standard deviation to four decimal places.) $ 92 $ 19.5492 X X (b) Using the given data as representative of the population of prices of all sleeping bags, find a 90% confidence interval for the mean price $\mu$ (in dollars) of all sleeping bags. (Enter your answer in the form: lower limit to upper limit. Include the word "to." Round your numerical values to two decimal places.) $ 84.81 to 99.81 X

          14. [0/2.36 Points] DETAILS MY NOTES PREVIOUS ANSWERS ASK YOUR TEACHER PRACTICE ANOTHER How much does a sleeping bag cost? Let's say you want a sleeping bag that should keep you warm in temperatures from 20°F to 45°F. A random sample of prices ($) for sleeping bags in this temperature range is given below. Assume that the population of x values has approximately normal distribution. 55 95 90 75 40 35 30 23 100 110 105 95 105 60 110 120 95 90 60 70 USE SALT (a) Use a calculator with mean and sample standard deviation keys to find the sample mean price $x$ (in dollars) and sample standard deviation $s$ (in dollars). (Round your standard deviation to four decimal places.) $ 92 $ 19.5492 X X (b) Using the given data as representative of the population of prices of all sleeping bags, find a 90% confidence interval for the mean price $\mu$ (in dollars) of all sleeping bags. (Enter your answer in the form: lower limit to upper limit. Include the word "to." Round your numerical values to two decimal places.) $ 84.81 to 99.81 X

$14. [0/2.36 Points] DETAILS MY NOTES PREVIOUS ANSWERS ASK YOUR TEACHER PRACTICE ANOTHER How much does a sleeping bag cost? Let's say you want a sleeping bag that should keep you warm in temperatures from 20°F to 45°F. A random sample of prices () for sleeping bags in this temperature range is given below. Assume that the population of x values has approximately normal distribution. 55 95 90 75 40 35 30 23 100 110 105 95 105 60 110 120 95 90 60 70 USE SALT (a) Use a calculator with mean and sample standard deviation keys to find the sample mean pricex(in dollars) and sample standard deviations(in dollars). (Round your standard deviation to four decimal places.) 92 19.5492 X X (b) Using the given data as representative of the population of prices of all sleeping bags, find a 90% confidence interval for the mean price $\mu$ (in dollars) of all sleeping bags. (Enter your answer in the form: lower limit to upper limit. Include the word "to." Round your numerical values to two decimal places.) $ 84.81 to 99.81 X$

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