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7. Describe what a type I and type II error would be for each
7. Describe what a type I and type II error would be for each of the following null hypotheses: H0: There is no waste in US Defense Department spending. 8. Write a correct null and alternative hypothe… read more
mhasan420
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1. By measuring the amount of time it takes a component of
1. By measuring the amount of time it takes a component of a product to move from one workstation to the next, an engineer has estimated that the standard deviation is 5.1 seconds. Answer each of the … read more
Scott
Scott
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abozer If you are constructing a 95% confidence interval using
abozer If you are constructing a 95% confidence interval using the information: n = 50, = 55.6, s = 3.0 and E = 0.65. What is the middle value of the interval?… read more
abozer
abozer
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If you are constructing a 95% confidence interval using the
If you are constructing a 95% confidence interval using the information: n = 50, x-bar= 40.5, s = 2.1 and E = 0.65. What is the middle value of the interval?… read more
Chirag
Chirag
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1.Describe what a type I and type II error would be for each
1.Describe what a type I and type II error would be for each of the following null hypotheses: Ho: There is no difference in statistics texts. 2.If you are constructing a 95% confidence interval using… read more
John
John
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1. Write a correct alternative hypothesis that tests the claim
1. Write a correct alternative hypothesis that tests the claim that the mean distance a student commutes to campus is no less than 6.4 miles? 2.If you are constructing a 95% confidence interval using … read more
abozer
abozer
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6. To test the null hypothesis that the average lifetime for
6. To test the null hypothesis that the average lifetime for a particular brand of bulb is 750 hours versus the alternative that the average lifetime is different from 750 hours, a sample of 75 bulbs … read more
John
John
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If you are constructing a 95% confidence interval using the
If you are constructing a 95% confidence interval using the information: n = 50, (x with a line over it) = 60.0, s = 3.5 and E = 0.65. What is the middle value of the interval?… read more
Stevewh
Stevewh
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For Scott Q1. Write a correct alternative hypothesis that
"For Scott" Q1. Write a correct alternative hypothesis that tests the claim that the mean distance a student commutes to campus is no greater that 8.2 miles. Q2. If you are constructing a 95% confiden… read more
Scott
Scott
MIT Graduate
Master's Degree
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6. test null hypothesis that average lifetime for a particular
6. test null hypothesis that average lifetime for a particular brand of bulb is 775 hrs vs. the alternative that the average lifetime is different from 775 hrs, sample of 80 bulbs used. If standard de… read more
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If you are constructing a 95% confidence interval using the
If you are constructing a 95% confidence interval using the information : n = 30, x(bar) = 34.5, s = 3.2 and E = 0.65. What is the middle value of the interval?… read more
Scott
Scott
MIT Graduate
Master's Degree
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Determine the critical region and critical values for z that
Determine the critical region and critical values for z that would be used to test the null hypothesis at the given level of significance, as described in each of the following: (A)H0:u 20, a = 0.05 (… read more
Stevewh
Stevewh
Teacher
Bachelor's Degree
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Write a correct alternative hypothesis that test the claim
Write a correct alternative hypothesis that test the claim that the mean distance a student commutes to campus is no greater thatn 7.5miles If you are constructing a 95% confidence interval using the … read more
abozer
abozer
Bachelor's Degree
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10. If you are constructing a 95% confidence interval using
10. If you are constructing a 95% confidence interval using the information: n = 50, sample mean = 65.4, s = 2.1 and E = 0.65. What is the middle value of the interval? (Points: 3)… read more
Scott
Scott
MIT Graduate
Master's Degree
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confused on these. dont know how to set them up. 1)constructi
confused on these. don't know how to set them up. 1)constructing a 95% confidence interval using the information: n = 30,x(bar) = 46.4, s = 3.2 and E = 0.65. What is the middle value of the interval? … read more
abozer
abozer
Bachelor's Degree
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Wondering if you could help with these questions. Please show
Wondering if you could help with these questions. Please show work since I'm stuck on some steps. You are constructing a 95% confidence interval using the information: n = 50, = 54.3, s = 2.1 and E = … read more
R.R. Jha
R.R. Jha
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1. Which of the following would be the correct null hypotheses
1. Which of the following would be the correct null hypotheses for testing the claim that the mean life of a battery for a cellular phone (while the phone is left on) is at least 24 hours? A. H0: ?(mi… read more
abozer
abozer
Bachelor's Degree
6,158 satisfied customers
You are constructing a 95% confidence interval using the information
You are constructing a 95% confidence interval using the information: n = 50, = 54.3, s = 2.1 and E = 0.65. What is the value of the middle of the interval? A. 2.1 B. 54.3 C. 50 D. 0.95 A study was co… read more
Chirag
Chirag
Master's Degree
Master's Degree
12,192 satisfied customers
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