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A household survey in 2017 recorded information on 147 people who were retired from the Australian...

A household survey in 2017 recorded information on 147 people who were retired from the Australian labour force. Of these, 100 had made contributions to a superannuation scheme. Calculate a 95% confidence interval to estimate the proportion of all Australian retirees who made contributions to a retirement scheme. Give your answers to 3dp:

  1. The lower limit is Answer

  2. The upper limit is Answer

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