Step 1: Although cities encourage carpooling to reduce traffic congestion, most vehicles carry only one person. For example, 70% of vehicles on the roads in the Minneapolis-St. Paul metropolitan area are occupied by just the driver. You choose 84 vehicles at random. What are the mean and standard deviation of the proportion of vehicles in your sample that carry only one person? (Fill in the blanks below.) The mean is (1) . (Give your answer to 1 decimal place.) (2) The standard deviation is (Give your answer to 2 decimal places.) eBook Answer 1 Answer 2

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Q: 3; 8; -1; 1; 0; 4; -3; 2; -1; 5; 4; -2 what is the standard deviation for this sample?

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Q: Find the missing weight in the following data set: Person 1 2 3 4 weight 139 150 181 X Deviation…

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