A 95% confidence interval for the proportion of students achieving a reading achievement score that is above the standard set by the teachers for a population of third grade students is (0.43, 0.49).

The margin of error of this interval is:

Group of answer choices

0.05

0.03

0.06

None of the above

Question

Karley

Mathematics

25 March, 11:48

A 95% confidence interval for the proportion of students achieving a reading achievement score that is above the standard set by the teachers for a population of third grade students is (0.43, 0.49).

The margin of error of this interval is:

Group of answer choices

0.05

0.03

0.06

None of the above

+4

Answers (1)

Know the Answer?

Van Hensley · Answer 1

0.03

Explanation:

First, you subtract the upper bound of the confidence interval by the lower bound of the confidence interval. Then, you divide that number by 2 to get the margin or error.

In this case: (0.49 - 0.43) / 2 = 0.03

A 95% confidence interval for the proportion of students achieving a reading achievement score that is above the standard set by the teachers for a population of third grade students is (0.43, 0.49).The margin of error of this interval is:Group of answer choices0.050.030.06None of the above