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Many people who bought x-game gaming systems over the

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Many people who bought X-Game gaming systems over the holidays have complained that the systems they purchased were defective. In a sample of 1200 units sold, 18 units were defective.

a. Determine a 95% confidence interval for the percentage of defective systems.

b. If 1.5 million X-Games were sold over the holidays, determine an interval for the number of defectives in sales.

Reference no: EM13584878

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