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October 20, 2014

October 20, 2014

Posted by **crystal** on Saturday, January 9, 2010 at 1:48am.

a. If a product failed check A, what is the probability that it also failed check B?

b. If a product failed check B, what is the probability that it also failed check A?

c. What is the probability that a product failed either check A or check B?

d. What is the probability that a product failed neither check A nor check B?

- math -
**drwls**, Saturday, January 9, 2010 at 5:54amFailed A only: 6&

Failed B only: 8%

Failed A and B: 2%

Failied neither: 84%

a. 2/8 = 1/4 = 25%

b. 2/10 = 1/5 = 20%

c. 6% + 8% + 2% = 16%

d. 100% - 16% = 84%

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