Twenty-Five Percent of the Employees of a Large Company Are

question 103

Short Answer

Twenty-five percent of the employees of a large company are minorities. A random sample of 7 employees is selected.
a.What is the probability that the sample contains exactly 4 minorities?
b.What is the probability that the sample contains fewer than 2 minorities?
c.What is the probability that the sample contains exactly 1 non-minority?
d.What is the expected number of minorities in the sample?
e.What is the variance of the minorities?

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Definitions:

Petals

The colorful parts of a flower that are often brightly colored to attract pollinators and protect the reproductive structures within.

Eudicots

A classification of flowering plants (angiosperms) that are characterized by having two seed leaves (cotyledons).

Venation

The pattern of veins in the leaves, stems, and petals of plants, critical for transport and support.

Reproductive Success

A measure of an individual's genetic contribution to the next generation, often assessed by the number of surviving offspring produced.