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A financial services company has 25 female top executives (presidents or vice presidents) among its 383...

A financial services company has 25 female top executives (presidents or vice presidents) among its 383 senior managers in its Banking Services division, while only 19 female top executives among its 325 senior managers in its Investment Services division. Test at the 0.02 significance level if this reveals the Banking Services division has significantly more female top executives in higher levels of management.

a. State the decision rule. (Round the final answer to 3 decimal places.)

If z click to select ( is more, is more) than _______, reject H0.

b. Compute the pooled proportion. (Round the final answer to 5 decimal places.)

pc = _____

c. Compute the value of the test statistic. (Round the final answer to 3 decimal places.)

The test statistic is ________

d. What is your decision regarding the null hypothesis?

click to select (Do not reject, reject) H0. The Banking Services division click to select (has, has not) significantly more female top executives.

Math   Statistics-And-Probability   
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