Mathematics, 26.07.2019 20:00 s77969
(answer + brainliest answer) hydrologists collected water samples from a river for several years. they found 62 out of 648 samples exceeded the desired ph levels, with a 2% samples exceeded the desired ph levels, with a 90% confidence level. which of the following is the most reasonable conclusion? a. it is likely that the river water exceeds the desired ph level between 8% and 12% of the time studied. b. it is likely that the river water exceeds the desired ph level between 10% and 12% of the time studied. c. it is likely that the river water exceeds the desired ph level between 13% and 15% of the time studied. d. it is likely that the river water exceeds the desired ph level between 11% and 15% of the time studied.
Answers: 1
Mathematics, 21.06.2019 16:00
Three cylinders have a height of 8 cm. cylinder 1 has a radius of 1 cm. cylinder 2 has a radius of 2 cm. cylinder 3 has a radius of 3 cm. find the volume of each cylinder ( ! : β0 )
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Mathematics, 21.06.2019 17:30
If the speed of an electromagnetic wave is 100,000 cm/s and its wavelength is 100 cm, what is its frequency? a) 100,000 cycles per second (hz) b) 1 Γ 10-3 cycles per second (hz) c) 10,000,000 cycles per second (hz) d) 1,000 cycles per second (hz)
Answers: 1
(answer + brainliest answer) hydrologists collected water samples from a river for several years. th...
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