A sample mean of 42 observations is selected from one population with a population standard deviation of 4.5. The sample mean is 101.5. A sample of 49 observations is selected from a second population with a population standard deviation of 4.0. The sample mean is 99.5. Conduct the following test hypothesis using the 0.05 significance level. What is the intervals, and the decision rule?Compute value of test statistic. What is the p-value?