Answer:

Step-by-step explanation:
From the question we are told that:
Data

Generally the equation for Point estimate
is mathematically given by




Answer:
Hellk there
Step-by-step explanation:
Hello good day hru
Step-by-step explanation:
it will take you 15 minutes
4/5 = (4 + 8)/x
4x = 5(12) = 60
x = 60/4 = 15