Solve
-The Amount of Tread Left on a Tire Varies $\frac { 9 } { 32 }$

question 18

Multiple Choice

Solve.
-The amount of tread left on a tire varies inversely as the number of miles the tire has traveled. A tire that has traveled 41,000 mi has $\frac { 9 } { 32 }$ in of tread left. How much tread will be left on a tire that has traveled 82,000 mi?
Express the answer as a fraction in simplest form.

• A) \(\frac { 64 } { 9 } \mathrm { in }\).
• B) \(\frac { 9 } { 64 } \mathrm { in }\).
• C) \(\frac { 107,584 } { 9 }\) in.
• D) \(\frac { 9 } { 107,584 }\) in.

Interpret what confidence levels represent and how they affect confidence intervals.

Differentiate between various kinds of confidence intervals based on the data and context presented.

Apply the concept of margin of error to interpret survey results and make informed conclusions.

Understand the implications of sample size on the reliability and precision of confidence intervals.

---

Definitions:

Consenting Individuals

Persons who have given permission for something, especially in a legal or formal context.

Ideal Conditions

Circumstances or situations that are considered perfect or optimal for a certain process or experiment to occur.

Efficiency

The extent to which a process or intervention produces a desired effect or outcome with a minimum amount of waste, expense, or unnecessary effort.

Beneficial Result

A positive outcome or effect that contributes to the well-being or improvement of a situation or condition.