The SAT Scores of Students Are Normally Distributed with a Mean

question 47

Essay

The SAT scores of students are normally distributed with a mean of 950 and a standard deviation of 200.
a.Nancy Bright's SAT score was 1390.What percentage of students have scores more than Nancy Bright?
b.What percentage of students score between 1100 and 1200?
c.What are the minimum and the maximum values of the middle 87.4% of the scores?
d.There were 165 students who scored above 1432.How many students took the SAT?

---

Definitions:

Parent Conferences

Meetings between educators and parents to discuss a child's academic progress, behavior, and well-being in school.

Discipline Situations

Scenarios in which rules or standards of behavior are enforced, often requiring correctional measures or guidance.

Independence Goals

Objectives aimed at achieving self-sufficiency and the ability to carry out tasks or make decisions without external support.

Toddlers

Young children, typically aged between one and three years old, who are in the early stages of walking and developing speech.