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Mathematics, 07.05.2020 13:57 Marveon
Mrs Galicia bought a new car for $18,000. This car will depreciate at a rate of 9% per year. Which
equation represents this function in terms of x, time.
(f) = 18000(-91)^x
(f) = 18000(9)^x
(f) = 180000.09)^x
(f) = 18000(1.09)^x
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Answers: 1
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Mathematics, 22.06.2019 01:30
Acell phone company offers two plans to its subscribers. at the time new subscribers sign up, they are asked to provide some demographic information. the mean yearly income for a sample of 40 subscribers to plan a is $45,000 with a standard deviation of $9,200. for a sample of 25 subscribers to plan b, the mean income is $64,300 with a standard deviation of $7,100. at the 0.025 significance level, is it reasonable to conclude the mean income of those selecting plan b is larger? assume unequal population standard deviations. hint: for the calculations, assume the plan a as the first sample. what is the decision rule? (negative amount should be indicated by a minus sign. round your answer to 3 decimal places.) compute the value of the test statistic. (negative amount should be indicated by a minus sign. round your answer to 2 decimal places.) what is your decision regarding h0 ? reject h0 fail to reject h0 compute the p-value. less than 0.01 between 0.01 and 0.025 between 0.025 and 0.05 between 0.05 and 0.10 greater than 0.10
Answers: 3
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Mrs Galicia bought a new car for $18,000. This car will depreciate at a rate of 9% per year. Which
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