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
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Hydrologists collected water samples from a river for several years. They found 62 out of 648 sample...
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