the right. Assume that the population standard deviation is 10 . At =0.07, can you support the scientist's estimate? Complete parts (a) through (e). 1529393435334320303322 1433282334304220442633 171641163937373235 (a) Write the claim mathematically and identify H0 and Ha. Choose from the following. A. H0:<32 (b) Find the critical value and identify the rejection region. z (Round to two decimal places as needed.) Rejection region: z7 (c) Find the standardized test statistic. z= (Round to two decimal places as needed.) (d) Decide whether to reject or fail to reject the null hypothesis. Fail to reject H0 Reject H0 (e) Interpret the decision in the context of the original claim..