For this problem, carry at least four digits after the decimal in your calculations. Answers may vary slightly due to rounding.Santa Fe black-on-white is a type of pottery commonly found at archaeological excavations at a certain monument. At one excavation site a sample of 586 potsherds was found, of which 361 were identified as Santa Fe black-on-white. (a) Let p represent the proportion of Santa Fe black-on-white potsherds at the excavation site. Find a point estimate for p. (Round your answer to four decimal places.)(b) Find a 95% confidence interval for p. (Round your answers to three decimal places.) lower limit upper limit Give a brief statement of the meaning of the confidence interval. a) 95% of the confidence intervals created using this method would include the true proportion of potsherds. b) 95% of all confidence intervals would include the true proportion of potsherds. c) 5% of the confidence intervals created using this method would include the true proportion of potsherds. d) 5% of all confidence intervals would include the true proportion of potsherds. (c) Do you think that np > 5 and nq > 5 are satisfied for this problem? Explain why this would be an important consideration. a) Yes, the conditions are satisfied. This is important because it allows us to say that p̂ is approximately binomial. b) Yes, the conditions are satisfied. This is important because it allows us to say that p̂ is approximately normal. c) No, the conditions are not satisfied. This is important because it allows us to say that p̂ is approximately binomial. d) No, the conditions are not satisfied. This is important because it allows us to say that p̂ is approximately normal.
For this problem, carry at least four digits after the decimal in your calculations. Answers may vary slightly due to rounding.Santa Fe black-on-white is a type of pottery commonly found at archaeological excavations at a certain monument. At one excavation site a sample of 586 potsherds was found, of which 361 were identified as Santa Fe black-on-white. (a) Let p represent the proportion of Santa Fe black-on-white potsherds at the excavation site. Find a point estimate for p. (Round your answer to four decimal places.)(b) Find a 95% confidence interval for p. (Round your answers to three decimal places.) lower limit upper limit Give a brief statement of the meaning of the confidence interval. a) 95% of the confidence intervals created using this method would include the true proportion of potsherds. b) 95% of all confidence intervals would include the true proportion of potsherds. c) 5% of the confidence intervals created using this method would include the true proportion of potsherds. d) 5% of all confidence intervals would include the true proportion of potsherds. (c) Do you think that np > 5 and nq > 5 are satisfied for this problem? Explain why this would be an important consideration. a) Yes, the conditions are satisfied. This is important because it allows us to say that p̂ is approximately binomial. b) Yes, the conditions are satisfied. This is important because it allows us to say that p̂ is approximately normal. c) No, the conditions are not satisfied. This is important because it allows us to say that p̂ is approximately binomial. d) No, the conditions are not satisfied. This is important because it allows us to say that p̂ is approximately normal.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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For this problem, carry at least four digits after the decimal in your calculations. Answers may vary slightly due to rounding.
Santa Fe black-on-white is a type of pottery commonly found at archaeological excavations at a certain monument. At one excavation site a sample of 586 potsherds was found, of which 361 were identified as Santa Fe black-on-white.
(a) Let p represent the proportion of Santa Fe black-on-white potsherds at the excavation site. Find a point estimate for p. (Round your answer to four decimal places.)
(b) Find a 95% confidence interval for p. (Round your answers to three decimal places.)
Give a brief statement of the meaning of the confidence interval.
(c) Do you think that np > 5 and nq > 5 are satisfied for this problem? Explain why this would be an important consideration.
(b) Find a 95% confidence interval for p. (Round your answers to three decimal places.)
lower limit | |
upper limit |
Give a brief statement of the meaning of the confidence interval.
a) 95% of the confidence intervals created using this method would include the true proportion of potsherds.
b) 95% of all confidence intervals would include the true proportion of potsherds.
c) 5% of the confidence intervals created using this method would include the true proportion of potsherds.
d) 5% of all confidence intervals would include the true proportion of potsherds.
(c) Do you think that np > 5 and nq > 5 are satisfied for this problem? Explain why this would be an important consideration.
a) Yes, the conditions are satisfied. This is important because it allows us to say that p̂ is approximately binomial.
b) Yes, the conditions are satisfied. This is important because it allows us to say that p̂ is approximately normal.
c) No, the conditions are not satisfied. This is important because it allows us to say that p̂ is approximately binomial.
d) No, the conditions are not satisfied. This is important because it allows us to say that p̂ is approximately normal.
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