D is the answer for this question:))
1. 22
2.34
3. first one
hope this helps
The answer is D. 2+1/5×(7/12+3)
Answer:
1*65
5*13
that is all answers one through twelve
Step-by-step explanation:
Answer:
a) cluster sampling
Step-by-step explanation:
In cluster sampling method, each member of a population is assigned to one and only one group.This means clusters are formed through probability method usually a simple random sampling.The participants in the clusters are the only one to be surveyed.
In this example, simple random sampling is used to identify 12 home rooms(cluster) where a group of 20 students (participants) in each room is given the survey.
