Question: A study conducted by the Australian Securities Exchange found that 36% of 4,009 Australian adults surveyed in late 2014 held shares, either directly or indirectly

A study conducted by the Australian Securities Exchange found that 36% of 4,009 Australian adults surveyed in late 2014 held shares, either directly or indirectly through unlisted managed funds (Australian Securities Exchange, 2014 Australian Share Ownership Study,

australian-share-ownership-study-2014.pdf> accessed 5 July 2017).

a. Construct a 95% confidence interval for the proportion of Australian adults who held shares in late 2014.

b. Interpret the interval constructed in (a).

c. To conduct a follow-up study to estimate the population proportion of adults who currently hold shares to within

±0.01 with 95% confidence, how many adults would you interview?

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