9.1.21 Question Help In a survey of 2065 adults in a certain country nducted dur

Question

9.1.21 Question Help In a survey of 2065 adults in a certain country nducted during a period of economic uncertainty, 58% thought that wages paid to workers in industry were too low. The margin of error was 8 percentage points win 90% parts (a) through (d) below, which represent a reasonable interpretation of the survey results? For those that are not reasonable, explain the flaw. cor drce. For (a) We are 90% confident 58% of adults in the country during the period of economic uncertainty felt wages paid to workers in industry were too low is the interpretation reasonable? A. The interpretation is reasonable. O B. The interpretation is flawed. The interpretation suggests that this interval sets he standard tral he other O C. The interpretation is flawed. The interpretation Indicates that the level of confidence is varying D. The interpretation is fawed. No interval has been provided about the population proportion. intervals, which is not true. Click to select your answer and then cilick Check Answer Clear A 8 9 0 0

Explanation / Answer

Solution:

Given a sample of 2065 adults, of these people, 58% thought that wages paid to workers in industry were too low.
p = 0.58
Margin of error = 8% = 0.08
90% confidence interval is (0.58 - 0.08, 0.58+ 0.08) = (0.5, 0.66)
a) We are 90% confident 58% of adults in the country during the period of economic uncertainty felt wages paid to workers in industry were too low.
D. The interpretation is flawed. No interval has been provided about the population proportion.

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