The Failure Rate in a Statistics Class Is 10

question 84

Essay

The failure rate in a statistics class is 10%. In a class of 40 students, find the probability that exactly five students
will fail. Use the normal distribution to approximate the binomial distribution.

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Definitions:

Lymph Nodes

Lymph nodes are small, bean-shaped structures that are part of the lymphatic system; they filter substances that travel through the lymph fluid, and contain immune cells that help the body to fight infection and disease.

Capsule

A structure, often a part of anatomy or bacterial cells, that encases or envelops an organ, joint, or bacterial cell, providing protection or structural integrity.

Thymosin

A hormone secreted by the thymus gland, playing a role in the maturation of T lymphocytes, an essential part of the immune system.

T-cells

A type of white blood cell that plays a central role in cell-mediated immunity, recognizing and destroying infected cells in the body.