Honestly man i don’t know Im in 6th grade bro
Answer: 120 Packages
Step-by-step explanation:
Given
75 random packages are check
3 package is found faulty
So, the percentage of error is

i.e. 4% packages is faulty
For 3000 sample, expected faulty packages are

Answer:
The center of the circle is at;

The radius of the circle is;

Explanation:
Given the equation of circle;

we want to re-write it in the form;

where;

Applying Completing the square method;

comparing the derived equation to the general form we have;

Therefore;
The center of the circle is at;

The radius of the circle is;