A consumer products manufacturer is formulating a new shampoo and is interested in foam height (in millimeters). Foam height is approximately normally distributed with a standard deviation of 18 millimeters and sample mean of 190. The manufacturer wishes to test the hypothesis that the population mean is greater than 180 millimeters by using 40 samples. Use alpha 0.05. The critical value is Z = Blank 1 The test statistic is Z = Blank 2 Decision is to Blank 3 the null hypothesis (occept or reject) Blank 1 Add your answer Blank 2 Add your answer Blank 3 Add your