Our Department Store Is Having a Sale on Personal Computers

question 149

Essay

Our department store is having a sale on personal computers, of which three are in stock (no rain checks).There is a certain probability of selling none.The probability of selling one is twice as great as the probability of selling none.The probability of selling two is three times the probability of selling none.Finally, the probability of selling all the personal computers is four times as great as the probability of selling none.In a table, list the outcomes and their probabilities.Hint: Let the probability of selling none equal x.

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Definitions:

Yolk Sac

An extra-embryonic membrane that provides nutrition to the developing embryo in eggs and early stages of mammalian development.

Homeotic Genes

Genes that control the overall body plan by controlling the fate of groups of cells during development.

Organisms

Any individual living entity, ranging from microorganisms like bacteria to multicellular forms such as plants, animals, and humans.

Fetal Circulation

The circulatory system in a fetus that ensures oxygen and nutrients are supplied via the placenta and helps remove waste.