SOLUTION: Please help me solve this question. An automobile manufacturer selected a random sample of 150 of its cars and found a defective steering assembly in 5 of the 150 cars. If the

Question 390200: Please help me solve this question.

An automobile manufacturer selected a random sample of 150 of its cars and found a defective steering assembly in 5 of the 150 cars. If the manufacturer had turned out 5000 cars under the same conditions, how many of these should it expect to have defective steering assemblies?

Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!



Hi,        

Let x represent the number expected to be defective with 5000 cars

Question Sets Up the Proportion

 

cross Multitplying to solve for x

 150x = 5*5000

    x = 5*5000/150

    x =  167, the number expected to be defective with 5000 cars

 

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