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The health of employees is monitored by periodically weighing them in. A sample of 54 employees has a mean weight of 183.9 lb. Assuming that a is known to be 121.2 lb, use a 0.10 significance level to test the claim that the population mean of all such employees weights is less than 200 lb. Find:

a. Null Hypothesis.
b. Alternative Hypothesis
c. Test Statistic
d. P-value

Sagot :

I’m sure The correct answer is c
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