417.80+350+150+5.25-(215.85-i)=555.82
2 answers:
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Answer:
198 is the variance for the number of defective parts made each week.
Step-by-step explanation:
We are given the following in the question:
Number of parts produced each week = 20,000
Percentage of defective parts = 1%
We have to calculate the variance for the number of defective parts made each week.
We treat defective part as a success.
P(Defective part) = 1% = 0.01
Then the number defective parts follows a binomial distribution .
Formula for variance =
Thus, 198 is the variance for the number of defective parts made each week.
Slope is 1/2. The equation to solve it is y2-y1 / x2-x1. I hope you understand it now :)
