The following information is given alpha 010 The null hypot
     The following information is given:  alpha = 0.10  The null hypothesis is that the mean thickness of a certain kind of wire is 0.5 millimeters.  The test statistic has a standard normal distribution (if H_0 is true). If it is possible to determine the critical value(s) based on this information, determine it/them. If it is not possible, explain why it is not possible. 
  
  Solution

