Question

you are a process - improvement specialist. you developed a visual aid that reduced a cycle time from 17 days to 10 days. by about what percent did the cycle time decrease?
a 7%
b 41%
c 59%
d 70%
e 170%

Explanation:

Step1: Calculate the amount of decrease

$17 - 10=7$

Step2: Calculate the percentage decrease

The formula for percentage decrease is $\frac{\text{Original - New}}{\text{Original}}\times100\%$. So, $\frac{17 - 10}{17}\times100\%=\frac{7}{17}\times100\%\approx 41\%$

Answer:

B. 41%