(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.