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

A) 75heartbeats per min
B) $9.35 per ticket
C) 2.25 per golf ball
D) $9.75 per hour
Answer:
(180-x)⁰ or it might also be X⁰