Mathematics, 23.03.2021 01:00 VinTAEge
Many people who bought X-Game gaming systems over the holidays have complained that the systems they purchased were defective. In a sample of 1,200 units sold, 19 units were defective. (a) Determine a 95% confidence interval for the percentage of defective systems in the population. (Round your answers to two decimal places.) % to % (b) If 1.4 million X-Game gaming systems were sold over the holidays, determine an interval for the number of defectives in sales. (Round your answers to the nearest whole number.) defectives to defectives
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