CONDUCT a significance test for p using a statistical software package: In artofstat use the app called Inference for a Proportion Links to an external site. (using the option to enter data as Number of Successes, and selecting Significance Test, entering correct value for po and sign of the alternative hypothesis).

Step-by-step explanation:

Data provided in the question

The radius of a wheel = 30 feet

Number of cars attached = 30 cars

Based on the above information

The computation is shown below:

The center angle is

The arc length is

= 1 feet

And, the area of a sector between two cars is

=

We simply do the above calculations so that each item could be find out