Mathematics, 23.11.2019 05:31 rara54
Astudy was conducted in order to estimate μ, the mean number of weekly hours that u. s. adults use computers at home. suppose a random sample of 81 u. s. adults gives a mean weekly computer usage time of 8.5 hours and that from prior studies, the population standard deviation is assumed to be σ = 3.6 hours. based on this information, what would be the point estimate for μ?
Answers: 2
Mathematics, 21.06.2019 17:00
What is the arc length when θ =pi over 3 and the radius is 5 cm? (5 points) 5 pi over 3 cm 10 pi over 3 cm 16 pi over 3 cm pi over 3 cm
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Mathematics, 21.06.2019 20:00
Write the expression as a single natural logarithm. 2 in a - 4 in y
Answers: 1
Mathematics, 21.06.2019 21:30
50 plz, given the system of equations, match the following items. x + 3 y = 5 x - 3 y = -1 a) x-determinant b) y-determinant c) system determinant match the following to the pictures below.
Answers: 2
Mathematics, 21.06.2019 21:40
In a survey of 1015 adults, a polling agency asked, "when you retire, do you think you will have enough money to live comfortably or not. of the 1015 surveyed, 534 stated that they were worried about having enough money to live comfortably in retirement. construct a 90% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement.
Answers: 3
Astudy was conducted in order to estimate μ, the mean number of weekly hours that u. s. adults use c...
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