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Towers Perrin, a New York human resources consulting firm, conducted a survey of 1100 employees at medium sized and large companies to determine how dissatisfied employees were with their jobs (The Wall Street Journal, January 29, 2003). A total of 473 employees indicated they strongly disliked their current work experience.
a. What is the point estimate of the proportion of the population of employees who strongly dislike their current work experience?
b. At 95% confidence, what is the margin of error?
c. What is the 95% confidence interval for the proportion of the population of employees who strongly dislike their current work experience?

Question :
Towers Perrin, a New York human resources consulting firm, conducted a
survey of 1100 employees at medium sized and large companies to
determine how dissatisfied employees were with their jobs (The Wall
Street Journal, January 29, 2003). A total of 473 employees indicated
they strongly disliked their current work experience.
a. What is the point estimate of the proportion of the population of
employees who strongly dislike their current work experience?
b. At 95% confidence, what is the margin of error?
c. What is the 95% confidence interval for the proportion of the
population of employees who strongly dislike their current work
experience?

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