1. 61 random samples of city rent prices are selected from a normally distributed population. The sample have a mean of $738 and a standard deviation of $41. Construct a 95% confidence interval for the
population standard deviation.
$34.80 <0<$49.91
$5.50 <0< $7.90
$32.80 $38.20

Aaron invested a total of $4,100, some in an account earning 8% simple interest, and the rest in an account earning 5% simple interest. how much did he invest in each account if after one year he earned $211 in interest? select one: a. $200 at 8%, $3,900 at 5% b. $3,200 at 8%, $900 at 5% c. $900 at 8%, $3,200 at 5% d. $3,900 at 8%, $200 at 5%