The given statement is false as using stratified sampling guarantees that members of each group within a population will be sampled.
As given in the question,
Systematic sampling guarantees that members of each group within a population will be sampled is a false statement.
Therefore, the given statement is false as using stratified sampling guarantees that members of each group within a population will be sampled.
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Answer:
x = 22.5
Step-by-step explanation:
Shes wrong because she did it in 3 hours which means she would have made 3 cards and not 9.