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 19:00
Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.
Answers: 3
Mathematics, 22.06.2019 00:20
Jubal wrote the four equations below. he examined them, without solving them, to determine which equation has no solution. which of jubal’s equations has no solution hurry
Answers: 1
Mathematics, 22.06.2019 03:00
You coordinate volunteers for litter cleanup in local parks. your spreadsheet lists drivers and the number of seat belts in each driver’s car. the spreadsheet calculates the number of drivers (d) and the total number of seat belts (s). you want to know the maximum number of volunteers, besides drivers, that can be transported to the park in a single trip given that each person must have a seat belt of their own.
Answers: 2
Astudy was conducted in order to estimate μ, the mean number of weekly hours that u. s. adults use c...
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