Here
sample mean
population standard deviation
and sample size
a 95% confidence interval to estimate the average fee for the population
Lower limit = 11.0543
Upper limit = 12.0057
Margin of error
Also, need Margin of error. Banking fees have received much attention during the recent economic recession...
Banking fees have received much attention during the recent economic recession as banks look for ways to recover from the crisis. A sample of 32 customers paid an average fee of $12.11 per month on their interest-bearing checking accounts. Assume the population standard deviation is $1.65 Complete parts a and b below. a. Construct a 90% confidence interval to estimate the average fee for the population.The 90% confidence interval has a lower limit of blank and an upper limit of....
part b: what is the margin of error for this interval?
Banking fees have received much attention during the recent economic recession as banks look for ways to recover from the crisis. A sample of 44 customers paid an average foe of $12.16 per month on their interest-bearing checking accounts. Assume the population standard deviation is $1.87. Complete parts a and b below. a. Construct a 99% confidence interval to estimate the average foo for the population The 90% confidence...
During the recovery from the Great Recession of 2007-2009, the economic situation for many families improved. However, in 2011 the recovery was slow and it was uncertain as to how much had really changed on the national level. To estimate the national average of the percent of low-income working families, a representative simple random sample of the percent of low-income working families from each of the country’s reporting jurisdictions could be used to calculate a point estimate and create a...
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