When a data value is converted to a standardized scale representing the number of standard deviations the data value lies from the mean, we call the new value a

Your food costs are $5,500. your total food sales are $11,000. what percent of your food sales do the food costs represent?

Will mark ! (10 points also! ) if x varies inversely with y and x =6 when equals y= 10, find y when x=8 a. y=4.8 b. y=7.5 c. y=40/3 d. y=4/15

Margie is practicing for an upcoming tennis tournament. her first serve is good 20 out of 30 times on average. margie wants to know the estimated probability that her first serve will be good at least four of the next six times she serves. how could she design a simulation for this scenario?