[See Steps] The following frequency distribution reports the electricity cost for a sample of 50 two bedroom apartments in Albuquerque, New Mexico during the
Question: The following frequency distribution reports the electricity cost for a sample of 50 two bedroom apartments in Albuquerque, New Mexico during the month of May last year.
- Estimate the mean cost.
- Estimate the standard deviation.
- Use the Empirical Rule to estimate the proportion of costs within two standard deviations of the mean. What are these limits?
Deliverable: Word Document 
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[See] Refer to the Real Estate data, which reports information
![[Step-by-Step] P(A_1)=.20, P(A_2)=40 , and P(A_2)=.40 .](/images/solutions/MC-solution-library-54117.jpg "[Step-by-Step] P(A_1)=.20, P(A_2)=40 , and P(A_2)=.40 . P(B_1")
[Step-by-Step] P(A_1)=.20, P(A_2)=40 , and P(A_2)=.40 . P(B_1
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Confidence Interval for the Difference Between Proportions Calculator - MathCracker.com