Question: The average daily volume of a computer stock in 2000 was 31.8 million shares, with standard deviation 15.3 million shares, according to a reliable source. A stock ananyst believes that the stock volume in 2004 is different from the 2000 level. Based on a random sample of 35 trading days in 2004, he finds the sample mean to be 25.2 million shares. Test the hypotheses at \[\alpha =0.03\].

a. State the null and alternative hypothesis.

b. Compute the test value.

c. Find critical value(s).

d. Find p-value and

e. Make a decision to reject or not reject the null hypothesis. Justify your decision by using classical and p-value approaches

f. Make a conclusion