Show the 5 stepsStep5: There are ___________ sufficient evidence to conclude that _______________________.

1. A student is interested in the mean life span of males in his town. He has heard claims that the mean age at death for males in his town is 69 years, but suspects that it is less. He randomly selects 48 male deaths from the past year. The mean age at death for these 48 men was 67.5 years, with a standard deviation of 2.71 years. Test the student's claim at the 0.05 level of significance