It would be c 25/2
Sorry, I can actually understand what you were asking in the comments
Answer:
d
Step-by-step explanation:
cause it is d o.49
Answer:
17
Step-by-step explanation:
adding the numbers together
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