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A research group conducted an extensive survey of 2955 wage and salaried workers

ID: 2926456 • Letter: A

Question

A research group conducted an extensive survey of 2955 wage and salaried workers on issues ranging from relationships with their bosses to household chores. The data were gathered through hour-long telephone interviews with a nationally representative sample. In response to the question, "What does success mean to you?" 1471 responded, "Personal satisfaction from doing a good job." Let p be the population proportion of all wage and salaried workers who would respond the same way to the stated question. Find a 90% confidence interval for p. (Round your answers to three decimal places.)

i)lower limit

ii)upper limit

Explanation / Answer

The statistical software output for this problem is:

One sample proportion summary confidence interval:
p : Proportion of successes
Method: Standard-Wald

90% confidence interval results:

Hence,

Lower limit = 0.483

Uppet limit = 0.513

Proportion Count Total Sample Prop. Std. Err. L. Limit U. Limit p 1471 2955 0.49780034 0.0091978656 0.4826712 0.51292948
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