The Weighted Average of the Possible Values That a Random

question 107

Multiple Choice

The weighted average of the possible values that a random variable X can assume,where the weights are the probabilities of occurrence of those values,is referred to as the:

• A)variance.
• B)standard deviation.
• C)expected value.
• D)None of these choices.

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Definitions:

Single Cells

Organisms or units of life that consist of only one cell, capable of performing all necessary life functions independently.

Yeast

A group of unicellular fungi that are important in the fermentation process and as model organisms in biological research.

Zygospores

Thick-walled resting spores formed by the fusion of cells from different mating types of certain fungi and algae, leading to genetic recombination and dormancy.

Dikaryotic Cell

A cell having two separate nuclei, each with one set of chromosomes, often found in the fungal life cycle during sexual reproduction.