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Unformatted text preview: (a) and (b)? Problem 8.11 page 246 If f8e5 X = 75, S = 24, n = 36, and assuming that the population is normally distributed, construct a 95% confidence interval estimate of the population mean . Problem 8.45 page 256 A study conducted by the Australian Stock Exchange found that 46% of 2,405 Australian adults surveyed in 2006 held shares, either directly or indirectly through managed funds or self-managed superannuation funds (2006 Australian Share Ownership Study, ASX). (a) Construct a 95% confidence interval for the proportion of Australian adults who held shares in 2006. (b) Interpret the interval constructed in (a). (c) To construct 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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- Spring '10