#2 - Twenty professional income-tax advisors were given identical records from which to prepare an

[Administrator]

Complete Question Explanation

Must Be True. The correct answer choice is (B).

Answer choice (A):

Answer choice (B): This is the correct answer choice.

Answer choice (C):

Answer choice (D):

Answer choice (E):

This explanation is still in progress. Please post any questions below!

[hbaezh]

Could you please explain why all the other choices are incorrect?

Thanks in advance

[Bob O'Halloran]

HI Hbaezh,
Thank you for your question.
This is a must be true question, so the incorrect answer choices will not have enough evidence to back up the statement.

(A) We can't justify saying one out of twenty with so small a sample size
(C) Contradicts the evidence in the stimulus-Opposite answer
(D)Not enough evidence to say "ALL"
(E) No evidence on self-prepared returns.

Let us know if you have other questions.
Bob