Throughout the performance of the project, some activities will take longer than their estimated duration, others will be done in less time than their estimated duration, and
Select one:
a. many will not be completed.
b. many will take no time to complete.
c. others are to be done by two project teams.
d. a few may conform to the estimated duration exactly.

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.