Physics homework help

Physics homework help. Determine the values of z for which the null hypothesis µ1 – µ2 = 0 would be rejected in favor of the alternative hypothesis ?1 – ?2 < 0. Use ? = .10.  A. z < - 1.282 B. z < - 1.852 C. z < - 1.96 D. z < - 1.06

Physics homework help