The high price of medicines is a source of major expense for those seniors in the United States who have to pay for thes
Posted: Wed May 11, 2022 7:15 am
The high price of medicines is a source of major expense for
those seniors in the United States who have to pay for these
medicines themselves. A random sample of 1400 seniors who
pay for their medicines showed that they spent an average of
$4700 last year on medicines with a standard deviation of
$900. Make a 90% confidence interval for the corresponding
population mean.
Round your answers to cents.
those seniors in the United States who have to pay for these
medicines themselves. A random sample of 1400 seniors who
pay for their medicines showed that they spent an average of
$4700 last year on medicines with a standard deviation of
$900. Make a 90% confidence interval for the corresponding
population mean.
Round your answers to cents.