JB​ Hi-Fi in Chatswood sell a variety of home entertainment products. On June​ 15, 2021 they performed an inventory of their televisions. They found that there were 645 televisions. A sample​(selected randomly) of 40 of the televisions were selected for audit and the value of each recorded. They had an X=$251.64 and S=$90.36. Construct a 95% confidence interval of the total value of the televisions on June​ 15, 2021.

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