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
icon
Related questions
Question
8. 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%
(b) 81.5%
(c) 2.5%
(d) 95%
(e) 84%
Transcribed Image Text:8. 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% (b) 81.5% (c) 2.5% (d) 95% (e) 84%
Expert Solution
steps

Step by step

Solved in 2 steps with 2 images

Blurred answer
Recommended textbooks for you
Glencoe Algebra 1, Student Edition, 9780079039897…
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill
Big Ideas Math A Bridge To Success Algebra 1: Stu…
Big Ideas Math A Bridge To Success Algebra 1: Stu…
Algebra
ISBN:
9781680331141
Author:
HOUGHTON MIFFLIN HARCOURT
Publisher:
Houghton Mifflin Harcourt