Mathematics, 02.12.2019 14:31 torichance6472
When two pumps are activated, an empty pool takes 12 hours to fill. one of the pumps works 3 times faster than the other. how many hours would it take to fill the pool if only the faster pump were used
Answers: 3
Mathematics, 21.06.2019 17:00
If a baby uses 15 diapers in 2 days how many diapers will the baby use in a year
Answers: 2
Mathematics, 22.06.2019 03:30
Louis wants to give \$15 to kids who need school supplies. he also wants to buy a pair of shoes for \$39. how much money will he have to save for both?
Answers: 1
Mathematics, 22.06.2019 04:40
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
When two pumps are activated, an empty pool takes 12 hours to fill. one of the pumps works 3 times f...
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