Internet providers: In a survey of 648 homeowners with high-speed Internet, the average monthly cost of a high-speed Internet plan was $70.16 with standard deviation $12.42. Assume the plan costs to be approximately bell-shaped. Estimate the number of plans that cost between $57.74 and $82.58. Round to the nearest whole number. The number of plans that cost between $57.74 and $82.58 is

A marketing company is interested in the proportion of people that will buy a particular product. Match the vocabulary word with its corresponding example

The data in the accompanying table represent the total rates of return (in percentages) for three stock exchanges over the four-year period from 2009 to 2012. Calculate the geometric mean rate of return for each of the three stock exchanges. Click the icon to view data table for total rate of return for stock market indices. Click the icon to view data table for total rate of return for platinum, gold, and silver. a. Compute the geometric mean rate of return per year for the stock indices from 2009 through 2012. For stock exchange A, the geometric mean rate of return for the four-year period 2009-2012 was %. (Type an integer or decimal rounded to two decimal places as needed.) Data table for total rate of return Year A B C 2012 6.52 13.15 15.93 2011 4.79 0.00 -2.47 2010 10.00 11.85 16.38 2009 18.63 23.62 43.12 Print Done - X C Geometric mean rate of return for stock market indices Metal Platinum Gold Silver Geometric mean rate of return D 13.54% 15.78% 20.52% Print Done X

please don't provide hand writtin solution...