SOLUTION: Model one accounts for 80% of unit sales and model two for 20% of unit sales. However, they have to replace 10% of model one and 18% of model two because of defects.If a unit is s

Algebra ->  Probability-and-statistics -> SOLUTION: Model one accounts for 80% of unit sales and model two for 20% of unit sales. However, they have to replace 10% of model one and 18% of model two because of defects.If a unit is s      Log On


   



Question 183916: Model one accounts for 80% of unit sales and model two for 20% of unit sales. However, they have to replace 10% of model one and 18% of model two because of defects.If a unit is selected at random what is the probability that it is defective?
Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
.8*.1=.08
.2*.18=.036
.08+.036=.116 probability that it is defective.
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Ed