Step-by-step explanation:
I sent you the picture above oncluding the steps.
In the equation given, just put the value of x and you will find the value of y.
Answer:
-tan 20
Step-by-step explanation:
They have the same answer when typed in a calculator
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