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27 January, 07:47

A survey estimated that a doctor's average salary is R$ 7,000.00. The margin of error is R$ ± 1500. This means that:

A) The average salary of physicians is between R$ 5,500 and R$ 8,500

B) The confidence interval is 95%

C) The margin of error is R$ 1500.00

D) Z * is equal to 1.96

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Answers (2)
  1. 27 January, 08:18
    0
    A) The average salary of physicians is between R$ 5,500 and R$ 8,500
  2. 27 January, 10:30
    0
    A

    Step-by-step explanation:

    It simply means that the average salary of doctors is plus or minus 1500 of the RS 7,000. That is between 5,500 and 8,500.
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