Answer:
c) gives each member of the population a known chance to be selected
Step-by-step explanation:
A sample is said to be a probability sample when each and every unit of the population would have the known chance or the probability i.e. more than zero when selected in the sample
So according to the given options, it is the sample where each member have the known chance to be selected
Therefore the option c is correct
Answer:
5.0625 is 1.5 to the fourth power
Answer 36
Step-by-step explanation:
We just need to add 0.2; 0.7; 1.6
![0.2 + 0.7 + 1.6 = 2.5inches](https://tex.z-dn.net/?f=0.2%20%2B%200.7%20%2B%201.6%20%3D%202.5inches)
Answer: 2.5 inches