Use the given statistics to complete parts (a) and (b). Assume that the populations are normally distributed.(a) Test whether

1>2 at the =0.05 level of significance for the given sample data.(b) Construct a 95% confidence interval about 12.

Population 1	Population 2
21	22
48.2	41.2
5.3	12.8

a) Find the test statistic for this hypothesis test. b) Determine the P-value for this hypothesis test.

c) The 99% confidence interval about 12 is the range from a lower bound of ____ to an upper bound of ____