Calculus and Above

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You wish to test the following claim (Ha) at a significance
You wish to test the following claim (Ha) at a significance level of α=0.01. Ho: μ = 54.6 Ha: μ > 54.6You believe the population is normally distributed, but you do not know the standard deviation.… read more
Sandhya
Sandhya
Master's Degree
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A sample of 6 measurements, randomly selected from a
A sample of 6 measurements, randomly selected from a normally distributed population, resulted in a sample mean, x¯¯¯=5.3 and sample standard deviation s=1.37. Using α=0.05, test the null hypothesis t… read more
Debdatta Bhattachary
Debdatta Bhattachary
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Suppose that BC financial aid alots a textbook stipend by
Suppose that BC financial aid alots a textbook stipend by claiming that the average textbook at BC bookstore costs $ 79.9. You want to test this claim.The null and alternative hypothesis in symbols wo… read more
Kofi
Kofi
Ph.D.
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Test the claim that the proportion of people who own cats is
Test the claim that the proportion of people who own cats is larger than 90% at the 0.05 significance level.The null and alternative hypothesis would be: H 0 : μ ≥ 0.9H a : μ < 0.9H 0 : μ ≤ 0.9H a … read more
Kimberley Wright
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A student is asked to perform the following hypothesis test
A student is asked to perform the following hypothesis test with α=.02: H0: μ = 55 H1: μ > 55 They are given the following sample data: n = 35 , x̄ = 56 , s = 3.8. The student's work is shown below… read more
Sandhya
Sandhya
Master's Degree
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Two plots at Rothamsted Experimental Station were studied
Two plots at Rothamsted Experimental Station were studied for production of wheat straw. For a random sample of years, the annual wheat straw production (in pounds) from one plot was as follows. 6.40 … read more
R.R. Jha
R.R. Jha
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I need some help with my economic statistics homework! I am
Hi I need some help with my economic statistics homework! I am very confused.1. The mean income per person in the United States is $38,500, and the distribution of incomes follows a normal distributio… read more
GLENN GILONGOS
GLENN GILONGOS
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2. A stationary store owner knows the mean retail value of
2. A stationary store owner knows the mean retail value of greeting cards last year was $2.50. She believes that the mean value of the cards this year has increased. Develop the null and alternative h… read more
Ryan
Ryan
Bachelor's Degree
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Refer to the following information for Questions 21, 22, and
Refer to the following information for Questions 21, 22, and 23. The heights of pecan trees are normally distributed with a mean of 10 feet and a standard deviation of 2 feet. 21. What is the probabil… read more
Ryan
Ryan
Bachelor's Degree
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For problems 1 – 3 you are to use the p-value approach to test
For problems 1 – 3 you are to use the p-value approach to test the hypotheses where σ is known. 1. A university advises parents of incoming freshmen that the average cost of textbooks is typically gre… read more
Stevewh
Stevewh
Bachelor's Degree
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For problems 1 – 3 you are to use the p-value approach to test
For problems 1 – 3 you are to use the p-value approach to test the hypotheses where σ is known. 1.A university advises parents of incoming freshmen that the average cost of textbooks is typically grea… read more
Ryan
Ryan
Bachelor's Degree
4,665 satisfied customers
For problems 7 – 8 you are to use the p-value approach to test
For problems 7 – 8 you are to use the p-value approach to test the hypotheses where σ is not known. 7. A local brewery wishes to ensure that an average of 12 ounces of beer is used to fill each bottle… read more
Ryan
Ryan
Bachelor's Degree
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BUSINESS STATISTICS PROBLEMS! For each problem, 1.
BUSINESS STATISTICS PROBLEMS! For each problem, 1. Click on “State the null hypothesis” and finish the null hypothesis. 2. Click on “State the alternative hypothesis” and finish thealternative hypothe… read more
Stevewh
Stevewh
Bachelor's Degree
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1. You are the manager of a fast-food restaurant. You want
1. You are the manager of a fast-food restaurant. You want to determine whether the waiting time to place an order has changed in the past month from its previous population mean value of 4.5 minutes.… read more
Stevewh
Stevewh
Bachelor's Degree
Bachelor's Degree
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1. You are the manager of a fast-food restaurant. You want
1. You are the manager of a fast-food restaurant. You want to determine whether the waiting time to place an order has changed in the past month from its previous population mean value of 4.5 minutes.… read more
Ryan
Ryan
Bachelor's Degree
4,665 satisfied customers
For problems 1 – 3 you are to use the p-value approach to test
For problems 1 – 3 you are to use the p-value approach to test the hypotheses where σ is known. 1. A university advises parents of incoming freshmen that the average cost of textbooks is typically gre… read more
Ryan
Ryan
Bachelor's Degree
4,665 satisfied customers
1. You are the manager of a fast-food restaurant. You want
1. You are the manager of a fast-food restaurant. You want to determine whether the waiting time to place an order has changed in the past month from its previous population mean value of 4.5 minutes.… read more
Ryan
Ryan
Bachelor's Degree
4,665 satisfied customers
I have about 40 more minutes to turn in my statistic assignment
I have about 40 more minutes to turn in my statistic assignment and need help. Is there someone available to assist me? Below are the 1. Brian Vanecek, VP of Operations at Portland Trust Bank, is eval… read more
Trigeoscal
Trigeoscal
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