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In: Statistics and Probability

A Businessweek/Harris survey asked senior executives at large corporations their opinions about the economic outlook for...

A Businessweek/Harris survey asked senior executives at large corporations their opinions about the economic outlook for the future. One question was, "Do you think that there will be an increase in the number of full-time employees at your company over the next 12 months?" In the current survey, 240 of 400 executives answered Yes, while in a previous year survey, 198 of 400 executives had answered Yes. Provide a 95% confidence interval estimate for the difference between the proportions at the two points in time (to 4 decimals). Use z-table.
______to______

What is your interpretation of the interval estimate?

( 0%, 5%, 10.5%, 14% )more executives are predicting ( increase, decrease) in full-time jobs. The confidence interval shows the difference may be from ( 4, 5, 7, 14% ) to (0, 5, 7, 17%)

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Expert Solution

240 198
400 400

more executives are predicting in full-time jobs. The confidence interval shows the difference may be from to

orchestra answered 2 years ago
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