help please 3

A simple random sample of 30 filtered 100-mm cigarettes is obtained from a normally distributed population, and the far content of each cigarette is measured. The sample has a standard deviation of 0.20 mg. Use a 0.05 significance level to test the claim that the far content of filtered 100-mm cigarettes has a standard deviation different from 0.30 mg, which is the standard deviation for unfiltered king-size cigarettes. Complete parts (a) through (d) below. a. What are the null and alternative hypotheses? O A. Ho: 6= 0.30 mg O B. Ho: 5=0.30 mg H1: 0 0.30 mg H1 : 0=0.30 mg H: as0.30 mg b. Find the test statistic. x2 = (Round to three decimal places as needed.) c. Find the P-value of the test statistic. The P-value of the test statistic is (Round to three decimal places as needed.) d. State the conclusion Ho- There sufficient evidence to conclude that the tar content of filtered 100-mm cigarettes has a standard deviation different from 0.30