A powerful environmental group has claimed that men and women different in attitudes about climate changes. A group of 72 men (group 1) and 98 women (group 2) were asked if they thought climate change is a very serious problem. Of those sampled, 28 of the men and 42 of the women did believe that climate change is a very serious problem. (a) What is the null hypothesis? (b) What is the alternative hypothesis? (c) What is the test statistic? (d) What is the p-value for the test statistics? 3 (e) What should be the conclusion of the environmental group at 5% level of signif- icance