Question

In an initial survey designed to estimate the percentage of time air-express cargo loaders are idle, an analyst found that loaders were idle in 6 of the 45 observations.
a.What is the estimated percentage of idle time?

Answer 1

Answer:

13.3%

Explanation:

The time in which the employee are free or not working due to halt in operation or a process. The employee are ready for work in this time and waiting for operation to start.

According to the given data

Total observations = 45 observations

Number of observation that found loader idle = 6 observations

Percentage of idle time is the ratio of number of times labor found idle to total numbers of observations.

Estimated percentage of idle time = (6 / 45) x 100

Estimated percentage of idle time = 13.3%