Answer:
There are 49 math books on the shelf.
Step-by-step explanation:
math books : comic books
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Answer:
Stratified Random sampling
Step-by-step explanation:
When a random observations are selected from a number of individual groups in a particular population, the type of sampling technique is called Stratified Random sampling. Stratified Random sampling begins with the partitioning or splitting or a population into subgroups. A number of random selection are then made from each of the subgroups to form a collection of larger samples. This is different from the simple random sampling technique which makes random selection directly from a larger sample or population without prior partitioning of the population. The different grades of students represents the individual stratum from which random selections are made.
Answer:
the side is 4ft and the bottom is 7ft
Step-by-step explanation:
Answer:
C is the answer to your problem!
