Suppose the working-age population of a fictional economy falls into the following categories: 90 are retired or homemakers; 60 have full time employment; 20 parttime employment; 20 do not have employment and are actively looking; and 10 would like employment but do not have employment. the official unemployment rate as calculated by the u. s. bureau of labor would equal?

The lengths of nails produced in a factory are normally distributed with a mean of 4.91 centimeters and a standard deviation of 0.05 centimeters. find the two lengths that separate the top 4% and the bottom 4%. these lengths could serve as limits used to identify which nails should be rejected. round your answer to the nearest hundredth, if necessary.

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)

The graph shows the distance kerri drives on a trip. what is kerri's speed?