(main)[4]
The chance that a randomly selected car has a length greater than $3.2$ metres but less than $\mu$ metres is $0.475$. Determine $\mu$.
Mathematics 9709 · AS & A Level · Continuous random variables
Continuous random variables — practice question
Car lengths in this city, measured in metres, are normally distributed with mean $\mu$ and standard deviation $0.714$.
Worked solution & mark scheme
This 4-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Reverse use of tables to locate the $z$-value attempted, with $\u001b1.96$ identified” …
- Full mark scheme, point by point
- Step-by-step worked solution
- Write your answer & get it marked instantly by AI