Question: A study in a well-known scientific journal stated that, for a given disease, the average number of red cells would be 1.81 million. Suspecting that such mean could be wrong, a researcher draw blood of 17 rats and found a mean of 1.7 million red cells and a variance of 9.8 thousand red cells respectively. Based on the text:

a) Test whether the null hypothesis holds under alpha .05.

b) Find the p-value for your test.