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 iven below. Assume that the population of x values has an approximately normal distribution. 105 110 80 75 80 70 30 23 100 110 105 95 105 60 110 120 95 90 60 70 A USE SALT (a) Use a calculator with mean and sample standard deviation keys to find the sample mean price x and sample standard deviation s. (Round yo X = $ S = $ (b) Using the given data as representative of the population of prices of all summer sleeping bags, find a 90% confidence interval for the mean p decimal places.) lower limit %24 upper limit

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MY NOTES
ASK YOUR TEACHER
14.MI.S.
sleeping bag that should keep you warm in temperatures from 20°F to 45PF A random sample of prices ($) for sleeping bags in this temperature range is
approximately normal distribution.
23
100
110
90
60
70
riation keys to find the sample mean price x and sample standard deviation s. (Round your answers to four decimal places.)
ation of prices of all summer sleeping bags, find a 90% confidence interval for the mean price 4 of all summer sleeping bags. (Round your answers to two
2017 S
MY NOTES
ASK YOUR TEACHER
Transcribed Image Text:MY NOTES ASK YOUR TEACHER 14.MI.S. sleeping bag that should keep you warm in temperatures from 20°F to 45PF A random sample of prices ($) for sleeping bags in this temperature range is approximately normal distribution. 23 100 110 90 60 70 riation keys to find the sample mean price x and sample standard deviation s. (Round your answers to four decimal places.) ation of prices of all summer sleeping bags, find a 90% confidence interval for the mean price 4 of all summer sleeping bags. (Round your answers to two 2017 S MY NOTES ASK YOUR TEACHER
14 Points]
DETAILS
BBUNDERSTAT12 7.2.014.MI.S.
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
given below. Assume that the population of x values has an approximately normal distribution.
105
110
80
75
80
70
30
23
100
110
105
95
105
60
110
120
95
90
60
70
n USE SALT
(a) Use a calculator with mean and sample standard deviation keys to find the sample mean price x and sample standard deviation s. (Round yo
x = $
S = $
(b) Using the given data as representative of the population of prices of all summer sleeping bags, find a 90% confidence interval for the mean p
decimal places.)
lower limit
%24
upper limit
2$
Transcribed Image Text:14 Points] DETAILS BBUNDERSTAT12 7.2.014.MI.S. 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 given below. Assume that the population of x values has an approximately normal distribution. 105 110 80 75 80 70 30 23 100 110 105 95 105 60 110 120 95 90 60 70 n USE SALT (a) Use a calculator with mean and sample standard deviation keys to find the sample mean price x and sample standard deviation s. (Round yo x = $ S = $ (b) Using the given data as representative of the population of prices of all summer sleeping bags, find a 90% confidence interval for the mean p decimal places.) lower limit %24 upper limit 2$
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