SOLUTION: A random sample of 420 new Ford trucks showed that 105 required repairs within the first warranty year.What is the estimate for the probability that a new Ford truck will need repa
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Question 1022212: A random sample of 420 new Ford trucks showed that 105 required repairs within the first warranty year.What is the estimate for the probability that a new Ford truck will need repairs within the first warranty year?
Answer by JoelSchwartz(130) (Show Source): You can put this solution on YOUR website!
x=the percent of the sample cars that need repairs
420x=105
x=105/420
x=1/4
The probability is one in every four new cars will need to be repaired within the first year.
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