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.

How many days will it take $2,500 to grow to $2,614.47 at an annual rate of 8.75%?

If the U.S. dollar is worth 106.3 yen, compute the amount of U.S. dollars necessary to buy 50,000 Japanese yen.​