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Category > Statistics Posted 13 Jun 2017 My Price 3.00

In 2005, 34% of workers reported that their jobs were more difficult

In 2005, 34% of workers reported that their jobs were more difficult, with more stress, and 37% reported that they worry about retiring comfortably. (Extracted from S. Armour, Money Worries Hinder Job Performance, USA Today, October 5, 2005, p. D1). Consider a follow-up study to be conducted in the near future.

a. What sample size is needed to estimate the population proportion of workers who reported that their jobs were more difficult, with more stress, to within 0.02 with 95% confidence?

b. What sample size is needed to estimate the population proportion of workers who worried about retiring comfortably to within ±0.02 with 95% confidence?

Answers

Alpha Geek
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Status NEW Posted 13 Jun 2017 06:06 AM My Price 3.00

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file 1497335470-Answer.docx preview (31 words )
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