Math Homework

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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
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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
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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
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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
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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
Software Engineer
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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
Bachelor's Degree
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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
Software Engineer
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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
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Teacher
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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
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
StatisticsExpert
Asst. Professor
Doctoral Degree
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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
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
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
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
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
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
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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
Bachelor's Degree
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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
Master's Degree
Master's Degree
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