Mathematics, 24.03.2020 03:53, annehansen833
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 19:40, michaellangley
Molly shared a spool of ribbon with 12 people. each person received 3 feet of ribbon. which equation can she use to find r, the number of feet of ribbon that her spool originally had?
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Mathematics, 21.06.2019 23:30, shady1095
Asap (i need to finish this quick) graph complete the sequence of transformations that produces △x'y'z' from △xyz. a clockwise rotation ° about the origin followed by a translation units to the right and 6 units down produces δx'y'z' from δxyz.
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