Modern laser equipment has been used to measure the distance between two points. Each measurement value can be seen as an observation of a normally distributed variable X, with the real distance UX as expected value and standard deviation OX=2.87. After collecting n=18 independent measurements have calculated that the average value is X = 3016 A student finds the upper and lower bounds of a 90% confidence interval for the real distance UX. Upper = 3017.1 Lower = 3014.9 How many observations do we need to get the length of the confidence interval down to 1.0 meters?
Modern laser equipment has been used to measure the distance between two points. Each measurement value can be seen as an observation of a normally distributed variable X, with the real distance UX as expected value and standard deviation OX=2.87. After collecting n=18 independent measurements have calculated that the average value is X = 3016 A student finds the upper and lower bounds of a 90% confidence interval for the real distance UX. Upper = 3017.1 Lower = 3014.9 How many observations do we need to get the length of the confidence interval down to 1.0 meters?
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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![Modern laser equipment has been used to measure the distance between two points. Each
measurement value can be seen as an observation of a normally distributed variable X, with the real
distance UX as expected value and standard deviation OX=2.87. After collecting n=18 independent
measurements have calculated that the average value is X = 3016
A student finds the upper and lower bounds of a 90% confidence interval for the real distance UX.
Upper = 3017.1
Lower = 3014.9
How many observations do we need to get the length of the confidence interval down to 1.0
meters?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3ffee3ef-2b7c-44a5-8d0b-0bd95d5b8709%2Fa3d38667-0e86-4716-b2d9-355b0b0a5721%2Fe40xi6y_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Modern laser equipment has been used to measure the distance between two points. Each
measurement value can be seen as an observation of a normally distributed variable X, with the real
distance UX as expected value and standard deviation OX=2.87. After collecting n=18 independent
measurements have calculated that the average value is X = 3016
A student finds the upper and lower bounds of a 90% confidence interval for the real distance UX.
Upper = 3017.1
Lower = 3014.9
How many observations do we need to get the length of the confidence interval down to 1.0
meters?
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