# Question: The 2011 gross sales of all companies in a large

The 2011 gross sales of all companies in a large city have a mean of $2.3 million and a standard deviation of $.6 million. Using Chebyshev’s theorem, find at least what percentage of companies in this city had 2011 gross sales of

a. $1.1 to $3.5 million

b. $.8 to $3.8 million

c. $.5 to $4.1 million

a. $1.1 to $3.5 million

b. $.8 to $3.8 million

c. $.5 to $4.1 million

## Answer to relevant Questions

According to the National Center for Education Statistics (www.nces.ed.gov), the amounts of all loans, including Federal Parent PLUS loans, granted to students during the 2007–2008 academic year had a distribution with a ...Suppose that on a certain section of I-95 with a posted speed limit of 65 mph, the speeds of all vehicles have a bell-shaped distribution with a mean of 72 mph and a standard deviation of 3 mph. a. Using the empirical rule, ...The following data give the speeds of 13 cars (in mph) measured by radar, traveling on I-84. a. Find the values of the three quartiles and the interquartile range. b. Calculate the (approximate) value of the 35th ...Multiple choice questions: 1. The value of the middle term in a ranked data set is called the a. Mean b. Median c. Mode 2. Which of the following summary measures is/are influenced by extreme values? a. Mean b. Median c. ...Make a box-and-whisker plot for the data on the number of times passengers set off the airport metal detector given in Problem 22. Comment on the skewness of this data set.Post your question