The thicknesses of 83 randomly selected ceramic tiles were found to have a standard deviation of 1.79. Construct the 80% confidence interval for the population standard deviation of the thicknesses of all ceramic tiles in this factory. Round your answers to two decimal places.

for the points

step-by-step explanation:

nope.   happens to me as well.

-aparri

$655.61 which is option c

step-by-step explanation:

price of house =   $146,000

initial rate = 3.5%

mortgaged paid in this = 3.5 % of $146,000

                                        =

                                        =$5110

the total years would be = 7

total mortgaged paid = 7 * $5110

                                      =$35770

remaining money = $146000-35770

                                =$110230

new mortgaged payment = 5 % of 110230

                                            =  

                                            =$655.61