A rational number is defined as a number that can be expressed in the form p/q, where p and q are integers and (a) q = 0 (b) q =
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Answer: d. Random
Step-by-step explanation:
In statistics, a simple random sampling is a sampling technique in which a subset of the population named as sample is drawn by the researcher in such a way that all the individuals have equal probability of getting selected.
If the Total population size is N , then the probability for any individual of getting selected is .
Therefore , the sampling designs do all members of a population have an equal chance of being selected is random sampling.
Rest of other sampling methods does not give equal chance to the members of the population of getting selected.