An instructor has two sections, A and B, in a particular subject. Section A has 18 students while section B has 25 students. On the same examination, although there was no significant difference in the mean grades, section A had a standard deviation, sA of 9 while section B had a standard deviation, sB of 12. Can we conclude at the 0.01 level of significance that the variability of section B is greater than that of A?

Triangle xyz has vertices x(1,3), y(0,0)

The krasnapolski is a top-of-the-line hotel in amsterdam, the netherlands. among their many services, they rent bicycles to guests. the bicycle checkout is open 24 hours per day 7 days per week and has 50 bicycles on hand. on average, 10 guests request a bicycle each day, arriving completely randomly at all times of the day during the spring and summer seasons. guests keep bicycles for four days on average, with a standard deviation of two days. how long does a guest on average have to wait for a bike? a. approximately 24 hours b. approximately 0.033 hours c. approximately 4 days d. approximately 47 minutes

Luis has a cooler filled with cans of soda.for every 5 cans of coke there are 3 cans of sprite.if there are 25 cans of coke, how mant cans of sprite are there?