Mathematics, 17.12.2019 00:31 hosteenimport21
Six measurements were made of the magnesium ion concentration (in parts per million, or ppm) in a city's municipal water supply, with the following results. it is reasonable to assume that the population is approximately normal.
70 201 199 202 173 153
based on a 95% confidence interval for the mean magnesium ion concentration, is it reasonable to believe that the mean magnesium ion concentration may be greater than 208? (hint: you should first calculate the 95% confidence interval for the mean magnesium ion concentration.)
a. no
b. the likelihood cannot be determined.
c. yes
Answers: 2
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Six measurements were made of the magnesium ion concentration (in parts per million, or ppm) in a ci...
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