In order to compare the means of two populations, independen…
In order to compare the means of two populations, independent random samples of 400 observations are selected from each population, with the following results: Sample 1 Sample 2 Sample size 400 400 Sample mean 5,275 5,240 Sample standard deviation 150 200 Which one of the following is the correct 92% confidence interval for the difference in the two population means?