A asked of friends if they thought the new Brand X that developed was effective. responded​ "yes." The used the results to write a TV advertisement claiming that ​" out of s prefer Brand X ​." Is this a valid​ inference? Explain.

Use pencil and paper. Explain all of the factors that are necessary for an inference to be valid.

Is the inference​ valid? Explain. Choose the correct answer below.

A.

​Yes, because s said yes out of who were asked.

B.

​No, because s said yes out of who were asked.

C.

​No, because the s asked are not a representative sample of the population of s.

D.

​Yes, because the s asked are a representative sample of the population of



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