The Age Distribution of Members of a Gymnastics Association Is

question 110

Multiple Choice

The age distribution of members of a gymnastics association is shown in the table. A member of theassociation is selected at random. Find the probability that the person selected is at least 31. Round your answerto three decimal places. $$\begin{array} { l c } \text { Age (years) } & \text { Frequency } \\\hline \text { Under 21 } & 407 \\21 - 25 & 401 \\26 - 30 & 214 \\31 - 35 & 54 \\\text { Over } 35 & 28 \\\hline\end{array}$$

• A) 0.074
• B) 0.049
• C) 82
• D) 0.926

---

Definitions:

Descriptive Research Method

A systematic approach to research that aims to describe the characteristics of a phenomenon or population without manipulating variables.

Naturalistic Observation

A research method involving the systematic study of behavior in its natural context without intervention by the researcher.

Real-World Environments

Physical and social conditions that surround individuals and influence their way of life.

Rubber Boots

Waterproof footwear made of rubber, designed to keep the feet dry and protected in wet conditions.