Chapter 9, Problem 2CQQ

In Exercises 1-5, use the following survey results: Randomly selected subjects were asked if they were aware that the Earth has lost half of its wildlife population during the past 50years. Among 1121 women, 23% said that they were aware. Among 1084 men, 26% said that they were aware (based on data from a Harris poll).

2. Biodiversity Find the values of x₁, (the number of women who were aware of the statement), x₂ (the number of men who were aware of the statement), ${\hat{p}}_1,{\hat{p}}_2$ and the pooled proportion $\bar{p}$ obtained when testing the claim given in Exercise 1.