Mathematics, 06.10.2019 13:50, braddypeter61
The quantity y varies directly with the square of x and inversely with z. when x is 9 and z is 27, y is 6. what is the constant of variation?
1/2
2
18
54
Answers: 2
Mathematics, 22.06.2019 04:40, abby6628
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?
Answers: 3
The quantity y varies directly with the square of x and inversely with z. when x is 9 and z is 27, y...
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