angel34emb
07.04.2020 •
Business
Suppose Charlene Brewster has timesâ (in seconds) of 8.5â, 8.5â, 8.3â, 8.6â, 8.7â, 8.4 and a performance rating of 85â%.
The normal time for this operationâ = seconds â(round your response to two decimalâ places).
Based on the normal time and the observedâ times, Charlene's work performance should be rated as
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Ответ:
1. 10s
2. Slower than normal
Explanation:
1. To calculate the normal time, we first take the average of Charlene's observed times:
Average of Charlene's observed time =
= 8.5s
Her normal time is therefore:
= 
= 10s
2. Since no of Charlene's observed time is higher than normal time of 10s, we can therefore conclude that her work perfomance should be rated as slower than normal.
Ответ: