26. Salaries The population mean annual salary for flight attendants is $56.275. A random sample of 48 flight attendants is selected from this population. What is the probability that the mean annual salary of the sample is less than $56,100? Assume o $1800. (Adapted from Salary.com)

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sample is less than $60,000? Assume o =
$6100. (Adapted from Salary.com)
26. Salaries The population mean annual salary for flight attendants is $56,275.
A random sample of 48 flight attendants is selected from this population.
What is the probability that the mean annual salary of the sample is less than
$56,100? Assume o =
$1800. (Adapted from Salary.com)
27. Gas Prices: New England During a certain week the mean price of gasoline
in the New England region was $2.714 per gallon. A random sample of 32 gas
stations is drawn from this population. What is the probability that the mean
price for the sample was between $2.695 and $2.725 that week? Assume
$0.045. (Adapled Trom U.S Energy Infanuation Admnistralon)
28. Gas Prices California During a certain week the mean price of gasoline in
Oon Arandom sample of 38 gas stations is
Califernia
Page
drawn from this population. What is the probability that the mean price for
as, $2.099 per
The sample was between 55.010 and S3.025 that week? Assume o =
S0.049
Σ
Transcribed Image Text:sample is less than $60,000? Assume o = $6100. (Adapted from Salary.com) 26. Salaries The population mean annual salary for flight attendants is $56,275. A random sample of 48 flight attendants is selected from this population. What is the probability that the mean annual salary of the sample is less than $56,100? Assume o = $1800. (Adapted from Salary.com) 27. Gas Prices: New England During a certain week the mean price of gasoline in the New England region was $2.714 per gallon. A random sample of 32 gas stations is drawn from this population. What is the probability that the mean price for the sample was between $2.695 and $2.725 that week? Assume $0.045. (Adapled Trom U.S Energy Infanuation Admnistralon) 28. Gas Prices California During a certain week the mean price of gasoline in Oon Arandom sample of 38 gas stations is Califernia Page drawn from this population. What is the probability that the mean price for as, $2.099 per The sample was between 55.010 and S3.025 that week? Assume o = S0.049 Σ
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