The standard deviation of the time for the delay of trains in a country is known as

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The standard deviation of the time for the delay of trains in a country is known as 34 minutes. What is the minimum sample size required to find the 99% confidence interval with the margin of error is within 4 minutes.

Choose an answera.The required sample size is 190.

b.The required sample size is 948.

c.The required sample size is 480.

d.The required sample size is 527.

Related Book For answer-question

Physics Principles with Applications

ISBN: 978-0321762429

7th edition

Authors: Douglas C. Giancoli

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Posted Date: Aug 18, 2022 08:02 AM

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The standard deviation of the time for the delay of trains in a country is known as

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The confidence level is 99 Hence 001 The probability of cr... View the full answer

Physics Principles with Applications

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