Mathematics, 10.06.2021 06:30 twalters88
An electric company calculates a person's monthly bill from the number of
kilowatt-hours (kWh), x, used.
The function b(x) = {
0.103,
2 < 200
0.15(x - 200) +20, x > 200
determines the
bill.
How much is the bill for a person who uses 800 kWh in a month?
Answers: 2
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Anew test for ra is being developed. the test is administered to 750 patients with ra and 750 without ra. for the sake of the question, assume the prevalence of ra in this population is 50%. of the 750 patients with ra, 575 have a positive result. of the 750 patients without ra, 150 have a positive result. what is the positive predictive value of the new test? a575/(575+150) b. 600/(600+ 150) c. 575/(575+125) d. 600/(600+ 125)
Answers: 2
An electric company calculates a person's monthly bill from the number of
kilowatt-hours (kWh), x,...
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