A nationwide sample of influential Liberals and Conservatives was asked as a part of a comprehensive survey whether they favoured lowering environmental standards so that high-sulphur coal could be burned in coal-fired power plants. The results were: Liberals Conservatives Number sampled 638 194 Number in favour 92 35 At the 0.05 level of significance, can we conclude that there is a larger proportion of Conservatives in favour of lowering the standards? Calculate and interpret the pvalue. a. State the decision rule. (Round the final answer to 3 decimal places.) H0 is rejected if z is more v than . b. Compute the pooled proportion. (Round the final answer to 4 decimal places.) Pooled proportion |:| c. Compute the value of the test statistic. (Negative answer should be indicated by a minus sign. Round the final answer to 2 decimal places.) Value of test statistic ':| d. What is your decision regarding the null hypothesis? Decision (Click to select) v e. Calculate the pvalue. (Round the zvalue to 2 decimal places. Round the final answer to 4 decimal places.) pvalue is: |:|