The following information will be used for the following two questions:
The analytical laborat...
Mathematics, 17.03.2020 00:29 ninaaforever
The following information will be used for the following two questions:
The analytical laboratory of a pharmaceutical company is asked to evaluate the claim that the concentration of an active ingredient in a product is 0.80%. The mean of four repeated analyses of the specimen x-bar is 0.82%. The standard deviation is known to be sigma equals 0.01 percent The true concentration of the active ingredient is the mean of the population of repeated analyses and the population has a normal distribution.
Using the information above, give a 99% confidence interval for ยต.
(0.8071%, 0.8328%)
(0.7871%, 0.8129%)
(0.79%, 0.81%)
(0.7942%, 0.8458%)
(0.75%, 0.80%)
Answers: 2
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