44. According to Newsweek magazine (July 31. 1995), the mean household income in 1994 was $40.708 for whites and $25,409 for blacks The article did not provide sample sizes oi standard deviations. Suppose it had reported a standard error of $200 for the mean for whites and $300 for the mean for blacks. Is this sufficient information to construct a 99% confidence interval comparing the true difference in nicans? If so, construct the interval and interpret; if not. explain why not.