The average monthly electric bill for homeowners in Illinois…
The average monthly electric bill for homeowners in Illinois is $110 with a population standard deviation of $12.Because this question is about money, provide all answers to 2 decimal places.If we take a random sample of 225 homeowners in Peoria, …1. At 90% confidence, what is the margin of error for this sample of 225 homeowners electric bill in Peoria? $2. Provide the 95% confidence interval for the mean monthly electric bills for homeowners electric bill in Peoria. $ to $3. At a 99% confidence, how large a sample, n, of homeowners would provide a margin of error of $2?