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1. Suppose a manufacturer has plants at two different locations. From the long-time observations, it is...
Problem 3. Manufacturer X produces personal computers (PCs) at two different locations in the world. Fifteen...
Problem 3. Manufacturer X produces personal computers (PCs) at two different locations in the world. Fifteen percent of the PCs produced at location A are delivered defective to a retail outlet, while 5 percent of the PCs produced at location B are delivered defective to the same retail store. (a) If the manufacturing plant at A produces 1,000,000 PCs per year and the plant at B produces 150,000 PCs per year, find the probability of purchasing a defective PC. (b)...
1. Forty refrigerators from two different models of a refrigerator manufacturer are compared to see if...
1. Forty refrigerators from two different models of a refrigerator manufacturer are compared to see if the smaller model uses less energy than the larger model. The energy was measured in kilowatt hours per month (kwh/mo). From years of testing these models, it is known that the standard deviation of kwh/mo is 34 kwh/mo for the smaller model and 40 kwh/mo for the larger one. From this survey, the sample means and standard deviations are 125 and 34, and 90...
Forty refrigerators from two different models of a refrigerator manufacturer are compared to see if the...
Forty refrigerators from two different models of a refrigerator manufacturer are compared to see if the smaller model uses less energy than the larger model. The energy was measured in kilowatt hours per month (kwh/mo). From years of testing these models, it is known that the standard deviation of kwh/mo is 34 kwh/mo for the smaller model and 40 kwh/mo for the larger one. From this survey, the sample means and standard deviations are 125 and 34, and 90 and...
Forty refrigerators from two different models of a refrigerator manufacturer are compared to see if the...
Forty refrigerators from two different models of a refrigerator manufacturer are compared to see if the smaller model uses less energy than the larger model. The energy was measured in kilowatt hours per month (kwh/mo). From years of testing these models, it is known that the standard deviation of kwh/mois 34 kwh/mo for the smaller model and 40 kwh/mo for the larger one. From this survey, the sample means and standard deviations are 125 and 34, and 90 and 40,...
(1 point) Independent random samples, each containing 80 observations, were selected from two populations. The samples...
(1 point) Independent random samples, each containing 80 observations, were selected from two populations. The samples from populations 1 and 2 produced 63 and 51 successes, respectively. Test Ho : (P-P2against Ha: (Pi -P2)>0. Use a0.01 (a) The test statistic is (b) The P-value is (c) The final conclusion is OA. There is not sufficient evidence to reject the null hypothesis that (pi - P2) - 0. B. We can reject the null hypothesis that (pi - P2) 0 and...
1 point) Independent random samples, each containing 50 observations, were selected from two populations. The samples...
1 point) Independent random samples, each containing 50 observations, were selected from two populations. The samples from populations 1 and 2 produced 34 and 27 successes, respectively. Test H0:(p1−p2)=0H0:(p1−p2)=0 against Ha:(p1−p2)≠0Ha:(p1−p2)≠0. Use α=0.1α=0.1. (a) The test statistic is (b) The P-value is (c) The final conclusion is A. We can reject the null hypothesis that (p1−p2)=0(p1−p2)=0 and accept that (p1−p2)≠0(p1−p2)≠0. B. There is not sufficient evidence to reject the null hypothesis that (p1−p2)=0(p1−p2)=0.
1. Phi Upsilon Nu, a student social organization, has two different locations under consideration for constructing...
1. Phi Upsilon Nu, a student social organization, has two different locations under consideration for constructing a new chapter house. PhUN's president, a POM student, estimates that due to differing land costs, utility rates, etc., both fixed and variable costs would be different for each of the proposed sites, as follows: ANNUAL OPERATING COSTS LOCATION FIXED VARIABLE Alpha Ave. $5,000 $200 per person Beta Blvd. $8,000 $150 per person What would be total annual costs for either location at the...
(1 point) Independent random samples, each containing 90 observations, were selected from two populations. The samples...
(1 point) Independent random samples, each containing 90 observations, were selected from two populations. The samples from populations 1 and 2 produced 37 and 30 successes, respectively. Test H 0 :( p 1 − p 2 )=0 H0:(p1−p2)=0 against H a :( p 1 − p 2 )≠0 Ha:(p1−p2)≠0 . Use α=0.05 α=0.05 . (a) The test statistic is (b) The P-value is (c) The final conclusion is A. We can reject the null hypothesis that ( p 1 −...
(1 point) Independent random samples, each containing 800 observations, were selected from two binomial populations. The...
(1 point) Independent random samples, each containing 800 observations, were selected from two binomial populations. The samples from populations 1 and 2 produced 581 and 221 successes, respectively. (a) Test Ho : (p1 – P2) = 0 against Ha : (Pi – P2) # 0. Use a = 0.01 test statistic = rejection region |z| > The final conclusion is # 0. A. We can reject the null hypothesis that (p1 – P2) = 0 and accept that (p1 –...
Independent random samples of size n1=38 and n2=86 observations, were selected from two populations. The samples...
Independent random samples of size n1=38 and n2=86 observations, were selected from two populations. The samples from populations 1 and 2 produced x1=18 and x2=13 successes, respectively. Define p1 and p2 to be the proportion of successes in populations 1 and 2, respectively. We would like to test the following hypotheses: H0:p1=p2 versus H1:p1≠p2 (a)To test H0 versus H1, which inference procedure should you use? A. Two-sample z procedure B. One-sample z procedure C. One-sample t procedure D. Two-sample t...
Problem 3. Manufacturer X produces personal computers (PCs) at two different locations in the world. Fifteen percent of the PCs produced at location A are delivered defective to a retail outlet, while 5 percent of the PCs produced at location B are delivered defective to the same retail store. (a) If the manufacturing plant at A produces 1,000,000 PCs per year and the plant at B produces 150,000 PCs per year, find the probability of purchasing a defective PC. (b)...
Forty refrigerators from two different models of a refrigerator manufacturer are compared to see if the smaller model uses less energy than the larger model. The energy was measured in kilowatt hours per month (kwh/mo). From years of testing these models, it is known that the standard deviation of kwh/mo is 34 kwh/mo for the smaller model and 40 kwh/mo for the larger one. From this survey, the sample means and standard deviations are 125 and 34, and 90 and...
Forty refrigerators from two different models of a refrigerator manufacturer are compared to see if the smaller model uses less energy than the larger model. The energy was measured in kilowatt hours per month (kwh/mo). From years of testing these models, it is known that the standard deviation of kwh/mois 34 kwh/mo for the smaller model and 40 kwh/mo for the larger one. From this survey, the sample means and standard deviations are 125 and 34, and 90 and 40,...
(1 point) Independent random samples, each containing 80 observations, were selected from two populations. The samples from populations 1 and 2 produced 63 and 51 successes, respectively. Test Ho : (P-P2against Ha: (Pi -P2)>0. Use a0.01 (a) The test statistic is (b) The P-value is (c) The final conclusion is OA. There is not sufficient evidence to reject the null hypothesis that (pi - P2) - 0. B. We can reject the null hypothesis that (pi - P2) 0 and...
(1 point) Independent random samples, each containing 800 observations, were selected from two binomial populations. The samples from populations 1 and 2 produced 581 and 221 successes, respectively. (a) Test Ho : (p1 – P2) = 0 against Ha : (Pi – P2) # 0. Use a = 0.01 test statistic = rejection region |z| > The final conclusion is # 0. A. We can reject the null hypothesis that (p1 – P2) = 0 and accept that (p1 –...
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