Assume that the average talk time on an Apple iPhone is 20 hours and that this time follows the exponential probability distribution. What is the probability that a randomly selected iPhone will experience more than 23 hours of talk time?

By definition, ________ pricing is used when a firm sells a product or service at two or more prices, even though the difference in price is not based on differences in cost

A) segmented B) variable C) flexible D) cost-plus E) reference

Which of the following is an implication of a currency crisis?

A. It occurs due to a sharp appreciation in the value of a currency. B. It forces authorities to block large volumes of international currency reserves. C. A country in currency crisis is not eligible for loans from the International Monetary Fund. D. It results in the government sharply increasing interest rates to defend the prevailing exchange rate. E. A country in currency crisis faces sharp decreases in stock and property prices.