8.35. Suppose we are testing a new shampoo to see if it makes hair grow faster. We know that the average rate of hair growth is 0.5 inches per month. The hypothesis are as follows: Ho : ,u g 0.5 vs. H] :u > 0.5. Suppose that the null hypothesis is not rejected and that the real truth is that the shampoo actually does make hair grow faster. What type of error, if any, occurred