Travelling at the constant speed


For specific truck traveling at 50 miles per hour(mph), the distance x needed brake to complete stop is basically distributed with mean of 120 feet and standard deviation of 12 feet. Assume that this truck is travelling at the constant speed of 50 mph and car abruptly moves in the path of the truck and stops at distance of 150 feet from the truck. Supposing that the only way to avoid collision is for the truck to brack to a complete stop, determine the probability that there will be a collision? Round your answer to 4 decimal places. Remember to round all z values to 2 decimal places.

A. 0.0062

B. 0.0186

C. 0.0239

D. 0.0268

E. None of the above

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Basic Statistics: Travelling at the constant speed
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