2) In spite of the potential safety hazards, some people would like to have an Internet connection in their car. A preliminary survey of adult Americans has estimated this proportion to be somewhere around 0.40. (a) (3) Use the given preliminary estimate to determine the sample size required to estimate the proportion of adult Americans who would like an Internet connection in their car to within 0.02 with 95% confidence. (Enter your answer as a whole number.) b) (3) Use the given preliminary estimate to determine the sample size required to estimate the proportion of adult Americans who would like an Internet connection in their car to within 0.02 with 99% confidence. (Enter your answer as a whole number.)

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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2) In spite of the potential safety hazards, some people would like to have an Internet connection in their car. A
preliminary survey of adult Americans has estimated this proportion to be somewhere around 0.40.
(a) (3) Use the given preliminary estimate to determine the sample size required to estimate the proportion of
adult Americans who would like an Internet connection in their car to within 0.02 with 95% confidence. (Enter
your answer as a whole number.)
b) (3) Use the given preliminary estimate to determine the sample size required to estimate the proportion of
adult Americans who would like an Internet connection in their car to within 0.02 with 99% confidence. (Enter
your answer as a whole number.)
Transcribed Image Text:2) In spite of the potential safety hazards, some people would like to have an Internet connection in their car. A preliminary survey of adult Americans has estimated this proportion to be somewhere around 0.40. (a) (3) Use the given preliminary estimate to determine the sample size required to estimate the proportion of adult Americans who would like an Internet connection in their car to within 0.02 with 95% confidence. (Enter your answer as a whole number.) b) (3) Use the given preliminary estimate to determine the sample size required to estimate the proportion of adult Americans who would like an Internet connection in their car to within 0.02 with 99% confidence. (Enter your answer as a whole number.)
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