5+4=6+3. You find the 6 by subtracting 3 from 9 and that is your answer:)
Answer:
The null hypothesis
The alternative hypothesis
Step-by-step explanation:
From the question we are told that
The mean is
The standard deviation is
The sample size is n = 25
The sample mean is
Generally
The null hypothesis is : That the mean of the Arsenic blood concentrations in healthy individuals is
i.e
The null hypothesis
The alternative hypothesis is : That the mean of the Arsenic blood concentrations in healthy individuals is greater than
The alternative hypothesis
Answer:
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Step-by-step explanation:
Answer:
C. (-3, 1)
Step-by-step explanation: