Mathematics, 10.04.2020 16:30, YouKnowGucci
A random sample of 12 pills designed to lower blood pressure was drawn, and the amount of active ingredient (in milligrams) in each was measured. The data are listed below. 393345364243403943343730 It is known that the population standard deviation is 8, and that the population is normally distributed. The mean amount of active ingredient is supposed to be 40 milligrams. Test to determine whether there is evidence at the 0.09 significance level that the amount of active ingredient is less than it should be. Fill in the requested information below.
A. The value of the standardized test statistic:
B. The p-value
Answers: 3
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