What Was the Average Life Expectancy of a Person Born

question 43

Multiple Choice

What was the average life expectancy of a person born in the year 1900?

• A)47 years
• B)55 years
• C)61 years
• D)68 years

---

Definitions:

Arrival Rate

In the context of queueing theory, it refers to the average number of items (customers, calls, etc.) arriving at a service facility per unit of time.

Level of Significance

The threshold below which a p-value is considered to indicate a statistically significant result, typically set at 0.05 or 5%.

Degrees of Freedom

Represents the number of independent values or quantities which can be assigned to a statistical distribution without violating any constraining conditions.

Test Statistic

A standardized value used in statistical hypothesis testing to determine whether to reject the null hypothesis.