A school has a total enrollment of 800 students. Twenty percent of those students play a sport. How many play a sport?

Jacks bank statement shows an account balance of -$25.50. which describes the magnitude, of size, of the debt in dollars

If y varies directly as x2 and y=6 when x=6, find the constant of variation.

Aproduction manager test 10 toothbrushes and finds that their mean lifetime is 450 hours. she then design sales package of this type of toothbrush. it states that the customers can expect the toothbrush to last approximately 460 hours. this is an example of what phase of inferential statistics