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# During the 2013 Major League Baseball season, the St. Louis Cardinals averaged 41,602 fans per home ...

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 During the 2013 Major League Baseball season, the St. Louis Cardinals averaged 41,602 fans per home ... During the 2013 Major League Baseball season, the St. Louis Cardinals averaged 41,602 fans per home game. Suppose attendance during the season follows the normal probability distribution with a standard deviation of 9,440 per game.    What is the probability that a randomly selected game during the 2013 season had an attendance greater than 50,000 people?A) 0.0417  B) 0.1867  C) 0.3255  D) 0.3986Q. 2A 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 ________.    A) -1.22  B) 0  C) 0.43  D) 0.96Q. 3The value of  depends on the actual value of  or p.    Indicate whether the statement is true or falseQ. 4The sampling distribution for the difference in proportions is the result of subtracting one sampling distribution for the proportion from a second sampling distribution for the proportion.    Indicate whether the statement is true or falseQ. 5Costco installs automobile tires on a first-come first-serve basis.    The total time a customer needs to wait for the installation to be completed follows the normal distribution with a mean time of 106.3 minutes and a standard deviation of 18.5 minutes. The interval around the mean that contains 68 of the wait time for customers is ________.  A) 87.8, 124.8  B) 69.3, 143.3  C) 50.8, 161.8  D) 32.3, 180.3Q. 6The  calculation is made under the premise that the null hypothesis is true and should rightfully be accepted.    Indicate whether the statement is true or false Read 81 times 3 Replies
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TimJohn56TimJohn56
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