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

Question

Pamela Lopez

Mathematics

1 April, 20:37

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

+5

Answers (2)

Know the Answer?

Lexi Cline · Answer 1

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

Mira Dougherty · Answer 2

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.

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$ 8,500B) The confidence interval is 95%C) The margin of error is R$ 1500.00D) Z * is equal to 1.96

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