A Sample of Size 150 from Population 1 Has 40

question 67

Multiple Choice

A sample of size 150 from population 1 has 40 successes. A sample of size 250 from population 2 has 30 successes. The value of the test statistic for testing the null hypothesis that the proportion of successes in population 1 exceeds the proportion of successes in population 2 by 0.05 is:

• A)1.645.
• B)2.327.
• C)1.960.
• D)1.977.

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Definitions:

Turnover

The total sales or revenue generated by a business within a specific period, or the rate at which inventory or assets are replaced.

Net Operating Income

The net income of a company before taxes and interest are taken out, but after operational costs have been deducted.

Average Operating Assets

Average operating assets are calculated as the average total assets used in day-to-day operations over a specified period, typically used in performance measurement.

Return on Investment

A performance measure used to evaluate the efficiency or profitability of an investment, calculated by dividing net profit by the cost of the investment.