study of the accuracy of fast food drive-through orders, Restaurant A had 310 accurate orders and 65 that were not accurate. a. Construct a 95% confidence interval estimate of the percentage of orders that are not accurate. b. Compare the results from part (a) to this 95% confidence interval for the percentage of orders that are not accurate at Restaurant B: 0.159
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Q: In a study of the accuracy of fast food drive-through orders, Restaurant A had 348 accurate orders…
A: Given information: There are 348 accurate orders and 69 that were not accurate. Total number of…
Q: In a study of the accuracy of fast food drive-through orders, Restaurant A had 309 accurate orders…
A: Solution-: Given: For restaurant A: Number of orders are accurate =309 and Number of orders not…
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A: (a) Obtain the 90% confidence interval estimate of the percentage of orders that are not accurate.…
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A: a. Construct a 90% confidence interval to estimate of the percentage of yellow peas.b. It was…
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Q: In a study of the accuracy of fast food drive-through orders, Restaurant A had 241 accurate orders…
A: The formula for the 95% confidence interval for the proportion is given below:
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A: Construct a 95% confidence interval to estimate of the percentage of yellow peas. Find…
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A: The descriptive analysis is conducted using EXCEL. The software procedure is given below: Enter the…
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Q: A genetic experiment with peas resulted in one sample of offspring that consisted of 449 green peas…
A: Given that - A genetic experiment with peas resulted in one sample of offspring that consisted of…
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A: (a) Obtain the 95% confidence interval to estimate of the percentage of yellow peas. The 95%…
Q: A study of 420,098 cell phone users found that 0.0324% of them developed cancer of the brain or…
A: sample size(n)=420098sample proportion()=0.0324%=0.000324
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A: (a) Total orders = 238+60=298 The sample proportion is computed as follows, The corresponding…
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A: ****Run the code in r(a)
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A: Given that Sample size n =500 Favorable cases x =165 Sample proportion p^=x/n =165/500 =0.33
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A: here given , margin of error = 3% = 0.03 confidence level = 95% n = 150 p^= 0.68
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A: Given Data Sample Size, n = 602 Number of successes, x = 168.0 Significance level,…
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- A genetic experiment with peas resulted in one sample of offspring that consisted of 432 green peas and 172 yellow peas. a. Construct a 95% confidence interval to estimate of the percentage of yellow peas. b. It was expected that 25% of the offspring peas would be yellow. Given that the percentage of offspring yellow peas is not 25%, do the results contradict expectations?In a study of the accuracy of fast food drive through orders, restaurant A had 207 accurate orders and 66 that were not accurate. a.construct a 90% confidence interval estimate of the percentage of orders that are not accurate.Allen's hummingbird has been studied by zoologist Bill Alther. Suppose a small group of 10 Allen's hummingbirds has been under study in Arizona. The average weight for these birds is x=3.15 grams. Based on previous studies, we can assume that the weights of Allen's hummingbirds have a normal distribution, with o=0.36 gram. find an 80% confidence interval for the average weights of Allen's hummingbirds in the study religion. What is the margin of error? (Round your answers to two decimal places) lower limit= upper limit=
- In a study of the accuracy of fast food drive-through orders, Restaurant A had 343 accurate orders and 65 that were not accurate. a. Construct a 95% confidence interval estimate of the percentage of orders that are not accurate. b. Compare the results from part (a) to this 95% confidence interval for the percentage of orders that are not accurate at Restaurant B: 0.141 < p <0.211. What do you conclude? a. Construct a 95% confidence interval. Express the percentages in decimal form.A genetic experiment with peas resulted in one sample of offspring that consisted of 441 green peas and 164 yellow peas. a. Construct a 90% confidence interval to estimate of the percentage of yellow peas. b. It was expected that 25% of the offspring peas would be yellow. Given that the percentage of offspring yellow peas is not 25%, do the results contradict expectations?6. In the past, 70% of a garage's business was with former patrons. Clarence Wade, the owner of the garage, samples 600 repair invoices and finds that for 432 of them, the patron was a repeat customer. a. Develop a 90% confidence interval for the proportion of all current business that is with repeat customers.A study of 420,098 cell phone users found that 0.0324% of them developed cancer of the brain or nervous system. Prior to this study of cell phone use, the rate of such cancer was found to be 0.0335% for those not using cell phones. Complete parts (a) and (b). a. Use the sample data to construct a 95% confidence interval estimate of the percentage of cell phone users who develop cancer of the brain or nervous system Do not round until the final answer. Then round to three decimal places as needed.] R.85%, 3.77 of 9 pts 7.1.19-T Question Help ▼ In a study of the accuracy of fast food drive-through orders, Restaurant A had 248 accurate orders and 56 that were not accurate. a. Construct a 90% confidence interval estimate of the percentage of orders that are not accurate. b. Compare the results from part (a) to this 90% confidence interval for the percentage of orders that are not accurate at Restaurant B: 0.171Construct a 95% confidence interval for p1 - p2 for a survey that finds 30% of 240 males and 41% of 200 females are opposed to the death penalty. Group of answer choices a.(-0.200, -0.021) b.(-1.532, 1.342) c.(-1.324, 1.512) d.(-0.561, 0.651)A genetic experiment with peas resulted in one sample of offspring that consisted of 425 green peas in a 162 yellow peas. a. Construct a 95% confidence interval to estimate of the percentage of yellow peas. b. it was expected at 25% of the offspring peas would be yellow. Given the percentage of offspring yellow peas is not 25%, do the results contradict expectations?A study of 420 comma 026 cell phone users found that 140 of them developed cancer of the brain or nervous system. Prior to this study of cell phone use, the rate of such cancer was found to be 0.0434 % for those not using cell phones. Complete parts (a) and (b). a. Use the sample data to construct a 90% confidence interval estimate of the percentage of cell phone users who develop cancer of the brain or nervous system. b. Do cell phone users appear to have a rate of cancer of the brain or nervous system that is different from the rate of such cancer among those not using cell phones? Why or why not?In a study designed to determine whether there was a cluster of brain cancer cases at a Pratt & Whitney plant, record from 223,000 employees were studied and 723 employees with brain tumors were found. Treat those employees as a random sample and construct a 95% confidence interval estimate of the proportion of all adults who develop such tumors. write a brief statement interpreting that confidence interval.SEE MORE QUESTIONSRecommended textbooks for youMATLAB: An Introduction with ApplicationsStatisticsISBN:9781119256830Author:Amos GilatPublisher:John Wiley & Sons Inc
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