5/12 is a simplified fraction of 25/60
Answer:
x = 20
Step-by-step explanation:
Please see the step-by-step solution in the picture attached below.
I hope this answer will help you. Have a nice day !
Answer:
Cluster sample
Step-by-step explanation:
Samples may be classified as:
Random: Basically, put all the options into a hat and drawn some of them.
Systematic: Every kth element is taken. For example, you want to survey something on the street, you interview every 5th person, for example.
Cluster: Divides population into groups, called clusters, and each element in the cluster is surveyed.
Stratified: Also divides the population into groups. However, then only some elements of the group are surveyed.
In this problem, we have that:
Selection of groups according to the buses.
All members on those buses are pulled.
So this is an cluster sample.
Answer:
4
Step-by-step explanation:
The greatest common factor of 8 and 36 is 4.
Hope this helps!