Internet providers: In a survey of 610 homeowners with high-speed Internet, the average monthly cost of a high-speed Internet plan was $60.02 with standard deviation $12.78. Assume the plan costs to be approximately bell-shaped. Estimate the number of plans that cost between $47.24 and $72.8. Round to the nearest whole number. The number of plans that cost between $47.24 and $72.8 is
Internet providers: In a survey of 610 homeowners with high-speed Internet, the average monthly cost of a high-speed Internet plan was $60.02 with standard deviation $12.78. Assume the plan costs to be approximately bell-shaped. Estimate the number of plans that cost between $47.24 and $72.8. Round to the nearest whole number. The number of plans that cost between $47.24 and $72.8 is
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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I need help with both of these problems.
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Transcribed Image Text:Internet providers: In a survey of 610 homeowners with high-speed Internet, the average monthly cost of a high-speed Internet plan was $60.02 with
standard deviation $12.78. Assume the plan costs to be approximately bell-shaped. Estimate the number of plans that cost between $47.24 and $72.8. Round
to the nearest whole number.
The number of plans that cost between $47.24 and $72.8 is
Transcribed Image Text:Newborn babies: A study conducted by the Center for Population Economics at the University of Chicago studied the birth weights of 701 babies born in New
York. The mean weight was 3396 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 2508 grams and 4284 grams. Round to the nearest whole number.
The number of newborns who weighed between 2508 grams and 4284 grams is
Expert Solution
Step 1
Note- Since you have posted multiple questions, as per our guidelines we are supposed to answer only one question.
Given information-
Mean weight of the bears, µ = $60.02
Population standard deviation, σ = $12.78
We have given the number of plans that cost between $47.24 and $72.8.
We have given that in a survey of 610 homeowners with high-speed internet.
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Solved in 2 steps with 1 images
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