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The Federal Election Commission (FEC) collects information about campaign contributions and disbursements for candidates and political committees each election cycle. A political action committee (PAC)

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The Federal Election Commission (FEC) collects information about campaign contributions and disbursements for candidates and political committees each election cycle. A political action committee (PAC) is a committee formed to raise money for candidates and campaigns. A Leadership PAC is a PAC formed by a federal politician (senator or representative) to raise money to help other candidates campaigns. The FEC has reported financial information for 556 Leadership PACs that operating during the 2011-2012 election cycle. The following table shows the total receipts during this cycle for a random selection of 20 Leadership PACs. $46,500.00 50 $40,966.50 $105,887.20 $5, 175.00 $29,050.00 $19,500.00 $181,557.20 $31,500.00 $149.970.80 $2,555,363.20 $12,025.00 $409,000.00 $60,521.70 $18,000.00 $61,810.20 576,530.80 $119,459.20|$0 $63,520.00 $6,500.00 5502,578.00 $705,061.10 $708,258.90 $135,810.00 $2,000.00 $2,000.00 $0 $1,287,933.80 | $219,148.30 X =$251,854.23 S= $521, 130.41 Which of the following list a correct 95% confidence interval for the mean amount of money raised by all Leadership PACs during the 2011-2012 election cycle and description of what "95% confidence" means in this problem? Use the Student's t-distribution. O ($7960.49, $495,747.97) We estimate with 95% confidence that all of the money raised by all Leadership PACs during the 2011-2012 election cycle lies between $7960.49 and $ 495,747.97 O ($ 8776.19 , $456,415.89) We estimate with 95% confidence that all of the money raised by all Leadership PACs during the 2011-2012 election cycle lies between $ 8776.19 and $ 494,932.27 . O ($7960.49, $495,747.97) We estimate with 95% confidence that the mean amount of money raised by all Leadership PACs during the 2011-2012 election cycle lies between $7960.49 and $495,747.97. O ($8776.19, $494,932.27) We estimate with 95% confidence that the mean amount of money raised by all Leadership PACs during the 2011-2012 election cycle lies between $ $8776.19 and $ 494,932.27

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