Statistical ysis question help?

Your null hypothesis is that the difference in means of the two samples is zero, i.e., the samples were drawn from the same normal distribution. Your decision to keep the null hypothesis, or reject it, is based on the p value. In most cases you will reject the null hypothesis if the p value is less than 0.05. Your p value is 0.004, so you can reject the null hypothesis and conclude that the samples were not drawn from the same normal distribution.