Y Internet providers: In a survey of 665 homeowners with high-speed Internet, the average monthly cost of a high-speed I

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Y Internet providers: In a survey of 665 homeowners with high-speed Internet, the average monthly cost of a high-speed Internet plan was $70.78 with standard deviation $12.38. Assume the plan costs to be approximately bell-shaped. Estimate the number of plans that cost between $46.02 and $95.54. Round to the nearest whole number. B The number of plans that cost between $46.02 and $95.54 is

Newborn babies: A study conducted by the Center for Population Economics at the University of Chicago studied the birth weights of 692 babies born in New York. The mean weight was 3230 grams with a standard deviation of 888 grams. Assume that birth weight data are approximately bell-shaped. Estimate the number of newborns who weighed between 2342 grams and 4118 grams. Round to the nearest whole number. The number of newborns who weighed between 2342 grams and 4118 grams is 3

Price of electricity: The Energy Information Administration records the price of electricity in the United States each month. In July 2013, the average price of electricity was 12.42 cents per kilowatt-hour. Suppose that the standard deviation is 2.10 cents per kilowatt-hour. What can you determine about these data by using Chebyshev's Inequality with K-3? At least % of the data fall between and cents per kilowatt-hour. (Round answers to two decimal places as necessary.)