The two neplats below show the number of minutes spent studying for a test by random samples of students who passed and students Students who Passed
Students who Failed
as in is 20 25 30 is to us so ss so
Minutes Spent Studying
05 10 15 20 25 30 35 40 45 50 55 60
Minutes Spent Studying
Do the two os compare on average?
The average student who passed studied about 25 minutes more than the average student who failed.
The average student who failed studied about 25 minutes more than the average student who passed
average students who failed studied more than students who passed
Derege students who falled studied as much as students who passed
3:51

Gravel is being dumped from a conveyor belt at a rate of 25 ft3/min, and its coarseness is such that it forms a pile in the shape of a cone whose base diameter and height are always equal. how fast is the height of the pile increasing when the pile is 14 ft high? (round your answer to two decimal places.) ft/min

If np3 /nc2 = 6, find the value of n

The vice president of programming at nbc is finalizing the prime-time schedule for the fall. she has decided to include a hospital drama but is unsure which of two possibilities to select. she has a pilot called the surgeon and another called critical care. to her make a final decision, a sample of 20 viewers from throughout the united states was asked to watch the two pilots and indicate which show they prefer. the results were that 12 liked the surgeon, 7 liked critical care, and one had no preference. state the decision rule, using the 0.10 significance level. h0: π = 0.50 h1: π ≠ 0.50 1. reject h0 if number of + signs is either < = or > = 2. what is your decision regarding h0? is there a preference for one of the two shows?