Recall that amazon is technically performing two tests simultaneously, each measuring a different outcome: ordered product sales (ops) and total units ordered (units). what would be the null hypotheses and the alternative hypotheses for the arrow design a/b test?

Tom is the deli manager at a grocery store. he needs to schedule employee to staff the deli department for no more that 260 person-hours per week. tom has one part-time employee who works 20 person-hours per week. each full-time employee works 40 person-hours per week. write and inequality to determine n, the number of full-time employees tom may schedule, so that his employees work on more than 260 person-hours per week. graph the solution set to this inequality.

Julie goes to the sports store and spends $40.50 before tax. she buys a pair of shorts for $21.75 and 3 pairs of socks that each cost the same amount. how much does each pair of socks cost? $$

Graph the line y=4/3 x+1 . use the line tool and select two points on the line.