Suppose the average price for new cars in 2012 has a mean of $30,100 and a standard deviation of $5,600. Based on this information, what interval of prices would we expect at least 89% of new car prices to fall within? This distribution is not bell shaped. Write you answer like (lower limit, upper limit)

The ________ quartile represents the 50th percentile

The first quartile represents the ________ percentile of the data set.

A random sample of 2008 used cars for sale on the market has an average mileage of 71,420 miles with a sample standard deviation of 9,470 miles. The z-score for a used car with 80,500 miles in this sample is ________. Round to 2 decimal places

Use the Poisson Table to answer the following questions A particular intersection in Delaware is equipped with a surveillance camera. The number of traffic tickets issued to drivers passing through the intersection follows the Poisson distribution and averages 4.5 per month. Use this information to answers the following question: What is the probability that 5 or more traffic tickets will be issued at the intersection next month?

Chebyshev’s Theorem only applies to

Outliers greatly reduce the effectiveness of the __________.

The following data represents the number of Sony TVs sold per day at a particular Costco over a random sample of five business days 9 2 7 7 5 The mean of this sample is ________.

Use the z table provided to answer the following question: Bob’s golf score at his local course follows the normal distribution with a mean of 92.1 and a standard deviation of 3.8. What is the probability that the score on his next round of golf will be between 82 and 89?

The variance of this sample 9 2 7 7 5 is ________.