Mathematics, 07.10.2021 01:30 catherinesquitieri
For the month of February, Mr. Johnson budgeted $350 for groceries. He actually spent $427.53 on groceries. What is the approximate percent error in Mr. Johnson’s budget? Please could you explain this??? with an answer I really need it.
Answers: 2
Mathematics, 22.06.2019 00:30
The power generated by an electrical circuit (in watts) as a function of its current c (in amperes) is modeled by p(c)= -15c(c-8) what current will produce the maximum power?
Answers: 1
Mathematics, 22.06.2019 04:30
Arandom sample of 15 observations is used to estimate the population mean. the sample mean and the standard deviation are calculated as 172 and 63, respectively. assume that the population is normally distributed. a. with 99 confidence, what is the margin of error for the estimation of the population mean? b. construct the 99% confidence interval for the population mean. c. construct the 95% confidence interval for the population mean. d. construct the 83% confidence interval for the population mean. hint: you need to use excel function =t.inv.2t to find the value of t for the interval calculation.
Answers: 1
For the month of February, Mr. Johnson budgeted $350 for groceries. He actually spent $427.53 on gro...
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