You Were Told That the Mean Score on a Statistics

question 57

Short Answer

You were told that the mean score on a statistics exam is 75 with the scores normally distributed.In addition,you know the probability of a score between 55 and 60 is 4.41% and that the probability of a score greater than 90 is 6.68%.The middle 95.46% of the students will score between which two scores?

---

Definitions:

Inferior Good

A product whose demand decreases as consumers' income levels increase, opposite to normal goods.

Income Rises

An increase in the amount of money received by individuals or households, often measured on an annual basis.

Complementary Goods

Products or services that are often used together, where the increase in demand for one leads to an increase in demand for the other.

Market Demand

The total quantity of a good or service that all consumers are willing to purchase at a given price over a specified period.