3. The mean rate for cable television from a sample of households was $129.50 per month, with a standard deviation of $12.75 per month. Using the 68-95-99.7% Rule, estimate the percent of cable television rates above $142.25 (Assume that the data has a bell-shaped distribution.) (a) 5% (c) 2.5% (d) 95% (e) 84% (b) 81.5%
3. The mean rate for cable television from a sample of households was $129.50 per month, with a standard deviation of $12.75 per month. Using the 68-95-99.7% Rule, estimate the percent of cable television rates above $142.25 (Assume that the data has a bell-shaped distribution.) (a) 5% (c) 2.5% (d) 95% (e) 84% (b) 81.5%
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 1GP
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