According to the CDC, the mean systolic blood pressure for A…

According to the CDC, the mean systolic blood pressure for American adults is 122 mm Hg. A doctor claims that the mean systolic blood pressure for American men is different from this. In a random sample of 500 American men, he found the mean systolic blood pressure to be 124 mm Hg with a standard deviation of 30 mm Hg. At the 0.05 level of significance, what decision should be made for the appropriate test of the doctor’s claim?