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A certain medication is supposed to contain 350 mg of the active ingredient per pill. It...

A certain medication is supposed to contain 350 mg of the active ingredient per pill. It is known from previous work that this content is normally distributed with a standard deviation of 3.5 mg. Suppose a random sample of 5 pills are taken, and the average content is 346.4 mg.

a) What would our conclusion be if we test H0 : u = 344 , H1 : u not equal to 344 at the level a = 0.05 ?

b) What would our conclusion be if we test H0 : u = 342, H1 : u not equal to 342 at the level a = 0.05 ?

Math   Statistics-And-Probability   
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Answer #1

a)b)

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