3. Nelson's Foods wishes to compare the weight gain of infantsusing its brand versus their competitor's. A sample of 90 babiesusing Nelson's product revealed a mean weight gain of 7.6 pounds inthe first three months. The population standard deviation forNelson's brand was 2.3 pounds. A random sample of 105 babies usingthe competitor's brand revealed a mean weight gain of 8.2 poundswith a population standard deviation of 2.9 pounds. At the 6%significance level, can you conclude that babies using Nelson'sbrand gain less weight?
