In preparing a defense against a hostile takeover, a firm's management assesses the owners of both common and preferred stock with respect to their attitudes toward current management. Of 600 common stockholders, 322 reported being in favor of a change in management. A sample of 220 preferred stockholders found 121 in favor of a management change. The firm's management is interested in finding evidence at the .10 significance level of a difference in the proportions of common stock holders and preferred stock holders that favor a management change.
Which of the following pairs of hypotheses reflect the question of interest?
What's the value of the test statistic?
What's the p-value for the test statistic in #10?
What is the correct decision?