In a Study Conducted for the State Department of Education,30

question 67

Multiple Choice

In a study conducted for the state Department of Education,30 percent of the teachers who left teaching did so because they were laid off.Assume that we randomly select 10 teachers who have recently left their profession.Find the probability that exactly 4 of them were laid off.

• A) .3000
• B) .2668
• C) .2001
• D) .0090

---

Definitions:

Dementia Scale

A tool or assessment used to measure the severity or progression of dementia in individuals.

Down Syndrome

A genetic disorder caused by the presence of an extra 21st chromosome, characterized by physical growth delays, characteristic facial features, and intellectual disability.

Sex-linked Inheritance

A mode of inheritance that is associated with genes located on the sex chromosomes, often leading to traits or disorders manifesting differently in males and females.

X Chromosome

One of the two sex chromosomes, X and Y, that determine genetic sex. The X chromosome carries a significant number of genes responsible for various bodily functions.