For a statistics test scores the mean is 63 and the standard deviation is 7.0, and for a biology test scores the mean is 23 and the standard deviation is 3.9. A student gets a 75 on the statistics test and a 25 on the biology test. On which test did the student performed better?

Cass decided to sell game programs for the hockey game. the printing cost was over 20 cents per program with a selling price of 50 cents each. cass sold all but 50 of the programs, and made a profit of $65. how many programs were printed? letting p represent the number of programs printed, set up an equation that describes this situation. then solve your equation for p.

How do i get my dad to stop making me gargle his pickle i want my mom to gargle my pickle not my dads

In a survey of 1015 adults, a polling agency asked, "when you retire, do you think you will have enough money to live comfortably or not. of the 1015 surveyed, 534 stated that they were worried about having enough money to live comfortably in retirement. construct a 90% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement.