A powerful environmental group has claimed that men and women different in attitudes about climate changes. A group of 70 men (group 1) and 96 women (group 2) were asked if they thought climate change is a very serious problem. Of those sampled, 30 of the men and 45 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?

(e) What should be the conclusion of the environmental group at 5% level of significance?