Mathematics, 07.06.2020 01:59, tyrique86
In 2000, the average duration of long-distance telephone calls originating in one town was 9.4 minutes. Five years later, in 2005, a long-distance telephone company wants to perform a hypothesis test to determine whether the average duration of long dash distance phone calls has changed from the 2000 mean of 9.4 minutes. The hypotheses are: Upper H 0 : mu equals 9.4 minutes Upper H Subscript a Baseline : mu not equals 9.4 minutes where mu is the mean duration, in 2005, of long-distance telephone calls originating in the town. Explain the meaning of a correct decision.
Answers: 2
Mathematics, 21.06.2019 19:30, mariaaaaa69
Complete the solution of the equation. find the value of y when x equals to 28 x+3y=28
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Mathematics, 21.06.2019 19:40, Funkyatayo
Graph y = -|x| + 2. click on the graph until the correct one appears.
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Mathematics, 22.06.2019 00:10, abelSeattle
Juanita wade's new car has an msrp of $28,902.11 including title and processing fees. the premier package which includes surround sound and dvd player costs three times the amount of the in-style package which includes leather seats and select wheels. the total cost of her new car was $34,290.08 which included the 6.5% sales tax. find the cost of the premier package to the nearest cent.
Answers: 3
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