Exhibit 12-1 a Card Dealing Machine Deals Spades (1),hearts (2),clubs

question 77

Multiple Choice

Exhibit 12-1 A card dealing machine deals spades (1) ,hearts (2) ,clubs (3) ,and diamonds (4) at random as if from an infinite deck.In a randomness check,1,600 cards were dealt and counted.The results are shown below. Refer to Exhibit 12.1.Using the p-value approach and α = 0.05,the decision and conclusion are:

• A)Do not reject the null hypothesis,all of the population proportions are the same
• B)Reject the null hypothesis,conclude that not all proportions are equal to 0.20
• C)Reject the null hypothesis,conclude that not all proportions are equal to 0.25
• D)Do not reject the null hypothesis,cannot conclude that not all of the proportions are equal to 0.25

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Definitions:

Scenario Analysis

A process of analyzing future events by considering alternative possible outcomes (scenarios), often used in investment planning and risk management.

Range of Outcomes

The spectrum of possible results or returns for a particular investment or decision under various scenarios.

Project Outcomes

The results or achievements following the completion of a project, measuring its success or failure.

Variable Cost

Variable Cost refers to costs that change in proportion to the level of goods or services that a business produces.