Examen
MATH 225N Statistics Week 6 Quiz.
MATH 225N Statistics Week 6 Quiz.Question 1 The population standard deviation for the heights of dogs, in inches, in a city is 3.7 inches. If we want to be 95% confident that the sample mean is within 2 inches of the true population mean, what is the minimum sample size that can be taken? Round up to the nearest integer. Answer: 14 dog heights Question 2 Clarence wants to estimate the percentage of students who live more than three miles from the school. He wants to create a 98% confidence interval which has an error bound of at most 4%. How many students should be polled to create the confidence interval? z0.10 z0.05 z0.02 z0.01 z0.005
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MATH 225N Statistics
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MATH 225N Statistics
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- MATH 225N Statistics
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- MATH 225N Statistics
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- 31 de mayo de 2023
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- Escrito en
- 2022/2023
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- Examen
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in inches
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math 225n statistics week 6 quiz question 1 the population standard deviation for the heights of dogs
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in a city is 37 inches if we want to be 95 confident that the sample mean is withi
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