A blouse normally sells for $138. but is on sale for 25% off. A customer uses a coupon to
get an additional 10% off. What is the difference between the normal price of the blouse
and the price the customer paid?
А
$24.15
B
$34.50
С
$44.85
D
$48.30

The mean finish time was 185.52 with a standard deviation of 0.327 minute. the winning car driven by chris finished in 185.13. the previous year race had a mean finish time of 110.3 with a standard deviation of 0.106. the winning car that year driven by karen finished in 110.13 minutes. find their respective z-scores. chris - z-score karen “- z-score