Before a new phone system was installed, the amount a company spent on personal calls followed a normal distribution with an average of $ 600 per month and a standard deviation of $50 per month. Refer to such expenses as PCE's (personal call expenses). Using the distribution above, what is the probability that during a randomly selected month PCE's were between $475.00 and $690.00 ?

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At the beginning of 2014, winston corporation issued 10% bonds with a face value of $2,000,000. these bonds mature in five years, and interest is paid semiannually on june 30 and december 31. the bonds were sold for $1,852,800 to yield 12%. winston uses a calendar-year reporting period. using the effective-interest method of amortization, what amount of interest expense should be reported for 2014? (round your answer to the nearest dollar.)

Acontinental polar air mass foms where