Mathematics, 02.04.2020 02:38 girly37
An entrepreneur is considering the purchase of a coin-operated laundry. The current owner claims that over the past 5 years, the average daily revenue was $675 with a standard deviation of $75. A sample of 30 days reveals a daily average revenue of $625.
If you were to test the null hypothesis that the daily average revenue was $675, which test would you use?
a. Z-test of a population mean
b. Z-test of a population proportion
c. t-test of population mean
d. t-test of a population proportion
Answers: 2
Mathematics, 21.06.2019 13:30
Write an equation in standard form of the line that passes through the point and has the given slope. ( -2, 4) ; m = -6which of the following best describes the technique used to graph the equation using the slope and y-intercept? y = 5x + 10write the standard form of the equation of the line through the given point with the given slope. point , 4); slope -3/2
Answers: 1
Mathematics, 21.06.2019 16:20
Apolynomial function has a root of –6 with multiplicity 1, a root of –2 with multiplicity 3, a root of 0 with multiplicity 2, and a root of 4 with multiplicity 3. if the function has a positive leading coefficient and is of odd degree, which statement about the graph is true?
Answers: 2
Mathematics, 21.06.2019 19:30
Select the margin of error that corresponds to the sample mean that corresponds to each population: a population mean of 360, a standard deviation of 4, and a margin of error of 2.5%
Answers: 2
An entrepreneur is considering the purchase of a coin-operated laundry. The current owner claims tha...
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