Mathematics, 06.12.2019 23:31 donavery24
Adepartment store manager believes that the average age of their customers is at least 60. to prove their point, the manager randomly selects a sample of customers and records their ages. the data is listed below. at α = 0.01, test the manager’s claim.
70 48 41 68 69 55 70 57 60 83
32 60 72 58 88 48 59 60 56 65
66 60 68 42 57 59 49 70 75 63
44
explain in detail. do null and alternative hypothesis, and complete the hypothesis test.
Answers: 1
Mathematics, 21.06.2019 13:30, cfnewton09
In the equations, a and b represent the price per night for a room in hotel a and hotel b, respectively, w weeks after september 1 last autumn. what was the price per night in hotel a when it was equal to the price per night in hotel b? a = 240 − 20w b = 320 − 30w
Answers: 1
Mathematics, 21.06.2019 17:20, dixonmckenzie1429
Asap describe the transformations required to obtain the graph of the function f(x) from the graph of the function g(x). f(x)=-5.8sin x. g(x)=sin x. a: vertical stretch by a factor of 5.8, reflection across y-axis. b: vertical stretch by a factor of 5.8,reflection across x-axis. c: horizontal stretch by a factor of 5.8, reflection across x-axis. d: horizontal stretch by a factor of 5.8 reflection across y-axis.
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Mathematics, 21.06.2019 21:30, adam15200031
Yesterday, george drank 1 small bottle and 2 large bottles, for a total of 1,372 grams. the day before , he drank 1 small bottle and 1 large bottle, for the total of 858 grams. how many grams does each bottle hold?
Answers: 1
Adepartment store manager believes that the average age of their customers is at least 60. to prove...
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