Mathematics, 06.08.2021 16:10 dhhdndnd
According to the Census Bureau, 3.40 people reside in the typical American household. A sample of 21 households in Arizona retirement communities showed the mean number of residents per household was 2.70 residents. The standard deviation of this sample was 1.17 residents. At the 0.10 significance level, is it reasonable to conclude the mean number of residents in the retirement community household is less than 3.40 persons?
Answers: 3
Mathematics, 21.06.2019 13:30
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 17:30
One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)
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Mathematics, 21.06.2019 19:30
Runner ran 1 4/5 miles on monday and 6 3/10 on tuesday. how many times her monday’s distance was her tuesdays distance
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According to the Census Bureau, 3.40 people reside in the typical American household. A sample of 21...
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