Determine the rate of driving on side roads
Fernando can drive 40 miles utilizing side roads in same time which it takes to travel 30 miles on freeway. If Fernando's rate on side roads is 7 mi/h faster than the rate on freeway, determine the rate on side roads.
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A computer manufacturer claims that chips it makes are so accurate that there is only 1/2000 probability of getting a defective chip. A salesman at a local store purchased 5 chips and claimed that 2 of them were defective.
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