The IRS reports that the mean refund for a particular group of taxpayers was $1,600. The distribution of tax refunds follows a normal distribution with a standard deviation of $850. Required:
a. What percentage of the refunds are between $1,600 and $2,000?
b. What percentage of the refunds are between $900 and $2,000?
c. What percentage of the refunds are between $1,800 and $2,000?
d. Ninety-five percent of the refunds are for less than what amount?

Suppose a stock had an initial price of $65 per share, paid a dividend of $1.45 per share during the year, and had an ending share price of $58. a, compute the percentage total return. (a negative answer should be indicated by a minus sign. do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) b. what was the dividend yield and the capital gains yield? (a negative answer should be indicated by a minus sign. do not round intermediate calculations and enter your answers as a percent rounded to 2 decimal places, e.g., 32.16.)

Drag the tiles to the correct boxes to complete the pairs.(there's not just one answer)match each online banking security practice with the pci security requirement that mandates it.1. encrypting transfer of card data2. installing a firewall3. installing antivirus software4. assigning unique ids and user namesa. vulnerability management programb. credit card data protectionc. strong access controlsd. secure network

On coral island in 2012, the labor force is 12,000, the unemployment rate is 10 percent, and the labor force participation rate is 60 percent. during 2013, 200 unemployed people found jobs and the working-age population increased by 1,000. the total number of people in the labor force did not change. the working-age population at the end of 2013 was the unemployment rate at the end of 2013 was round up to the second decimal. the labor force participation rate at the end of 2013 was round up to the second decimal.