Mathematics, 06.09.2020 05:01 BaileyElizabethRay
A simple random sample of 12 iPhone's being sold over the Internet had the
following prices, in dollars.
287, 311, 262, 392, 313, 314, 257, 316, 286, 255, 283, 291
Assume that it is reasonable to believe that the population is approximately normal
and the population standard deviation is 56. What is the upper bound of the 95%
confidence interval for the mean price for all phones of this type?
Round your answer to one decimal places (for example: 319.4).
Answers: 1
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Subtract and simplify. (-y^2 – 4y - 8) – (-4y^2 – 6y + 3) show how you got the answer if your answer is right i will mark you
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Ben frank is an electrician who installs lighting fixtures. he charges (in dollars) his clients 15h+40f15h+40f where hh is the number of hours worked and ff is the number of fixtures installed. how much does ben frank charge when he works 77 hours and installs 99 fixtures?
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Mathematics, 22.06.2019 03:00
The seventh-grade students at charleston middle school are choosing one girl and one boy for student council. their choices for girls are michaela (m), candice (c), and raven (r), and for boys, neil (n), barney (b), and ted (t). the sample space for the combined selection is represented in the table. complete the table and the sentence beneath it.
Answers: 2
A simple random sample of 12 iPhone's being sold over the Internet had the
following prices, in dol...
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