Which experiments can be studied using a binomial model

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Indicate which of the following experiments can be studied using a binomial model. Justify your answer.

A. Drwaing five ball bearings with replacement from a box containing 25 ball bearings, 10 of wich are of diameter 10 mm and 15 of diameter 20 mm, and observing the diameters of the drawn ball bearing.

B. Selecting randomly four engineers to be on a contract negotiating team from a group of 50 engineers, 20 of whom are six sigma green belts, and observing how many of selected engineers are six sigma green belts.

C. A fair die is rolled and the number that turns up is observed.

D. Selecting a manufaturer from the us and observing wether its annual revenues are more than one billion or not when it is known that 30% of all manufacturers have annual revenues totaling more than one billion dollars.

Reference no: EM13252898

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