Question: 5 point QUESTION 16 Provide an appropriate response. The normal density curve is symmetric about O A point located one standard deviation from the mean

5 point QUESTION 16 Provide an appropriate response. The normal density curve is symmetric about O A point located one standard deviation from the mean O Its mean O An inflection point The horizontal axis5 points QUESTION 17 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 1900 miles. What is the probability a certain tire of this brand will last between 56,010 miles and 56,580 miles? O .9813 O .4920 O .4649 O .01805 points QUESTION 15 Provide an appropriate response. The area under the graph of every Student's t- distribution is Area of the standard normal distribution O Greater than the standard normal distribution O 1 O Less than the standard normal distribution

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