Find and Interpret the Area Under a Normal Curve

question 27

Multiple Choice

Find and Interpret the Area under a Normal Curve
-The tread life of a particular brand of tire is a random variable best described by a normal distribution with a mean of 60,000 miles and a standard deviation of 1300 miles. What is the probability a particular tire of this brand will last longer than 58,700 miles

• A) 0.8413
• B) 0.1587
• C) 0.2266
• D) 0.7266

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