A random sample of monthly sales at a gas station has a sample mean of a = $245 (in thousands) and sample standard deviation of s = $15. Use the Empirical Rule to estimate the percentage of monthly sales that are less than $215. Round your answer to the nearest hundredth. Provide your answer below: V x2 VO 7 8 5 X 61F 903 4 O ere to search F12 insert 16 40 4- 9 14 13 27 14 0 & bac #_ O 3 4 5 6 T U P R O E Y F G H K pause C B N M Ctri