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

Question

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The Answer of 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 in the population.
b.
If 1.5 million X-Game gaming systems were sold over the holidays, determine an interval for the number of defectives in sales.

Many People Who Bought X-Game Gaming Systems Over the Holidays