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QUESTION 8 Use the confidence level and sample data to find a confidence interval for estimating...
Use the given degree of confidence and sample data to construct a 92% confidence interval for...
Use the given degree of confidence and sample data to construct a 92% confidence interval for the population mean. A random sample of 189 full grown lobsters had a weight of 17 ounces with a standard deviation of 3.9 ounces
Use the confidence level and sample data to find a confidence interval for estimating the population...
Use the confidence level and sample data to find a confidence interval for estimating the population . Round your rower to the same number of decimal place as the sample mean From packages received by a percel service, 41 are randomly selected. The sample has a mean weight of 11.6 pounds. The population standard deviation is a 24 pounds. What is the 96% confidence interval for the tree w packages received by the parol service? O A 1075*2125 OB. 10.95<<123...
1. Use the given degree of confidence and sample data to construct a confidence interval for...
1. Use the given degree of confidence and sample data to construct a confidence interval for the point) population proportion p. A survey of 865 voters in one state reveals that 408 favor approval of an issue before the legislature. Construct the 95% confidence interval for the true proportion of all voters in the state who favor approval. 0 0.438<p0.505 0 0.444 p0.500 0 0.435<p<0.508 O 0.471 p0.472 2. Use the given data to find the minimum sample size required...
Use the confidence level and sample data to find a confidence interval for estimating the population....
Use the confidence level and sample data to find a confidence interval for estimating the population. Round your answer to the same number of decimal places as the sample mean A random sample of 87 light bulbs had a mean life of 479 hours with a standard deviation of a = 30 hours. Construct a 90% confidence interval for the mean life, ja, of all light bulbs of this type O A 472 hr < < 486 he B. 474...
Use the confidence level and sample data to find a confidence interval for estimating the population...
Use the confidence level and sample data to find a confidence interval for estimating the population u. Round your answer to the same number of decimal places as the sample mean. 20) A group of 59 randomly selected students have a mean score of 29.5 with a standard deviation of 20) 5.2 on a placement test. What is the 90% confidence interval for the mean score,, of all students taking the test? A) 27.8 <u <31. 2 B ) 28.2<u<30....
Use th e confidence level and sample data to find a confidence interval for estimating the...
Use th e confidence level and sample data to find a confidence interval for estimating the population 15) 42 packages are randomly selected from packages received by a parcel service. The sample has a mean weight of 26.7 pounds and a standard deviation of 2.9 pounds. What is the 95 percent confidence interval for the true mean weight, μ, of all packages received by the parcel service? 25.8 < μ < 27.6 b, 26.0< μ< 27.4 c. 25.7< μ< 27.7...
Use the given degree of confidence and sample data to construct a confidence interval for the...
Use the given degree of confidence and sample data to construct a confidence interval for the population mean μ. Assume that the population has a normal distribution The amounts (in ounces) of juice in eight randomly selected juice bottles are: 15.4 15.6 15.0 15.1 15.3 15.4 15.9 15.9 Construct a 98% confidence interval for the mean amount of juice in all such bottles OA. 15.10 oz<p<15.80 oz O B. 15.00 oz<p < 15.90 oz OC. 15.90 oz<H15.00 oz D. 15.80...
Use the given degree of confidence and sample data to find a confidence interval for the...
Use the given degree of confidence and sample data to find a confidence interval for the population standard deviation σ. Assume that the population has a normal distribution. Round the confidence interval limits to one more decimal place than is used for the original set of data. The amounts (in ounces) of juice in eight randomly selected juice bottles are: 15.2 15.1 15.9 15.5 15.6 15.1 15.8 15.0 Find a 98% confidence interval for the population standard deviation σ. 0.22...
Use the given degree of confidence and sample data to find a confidence interval for the...
Use the given degree of confidence and sample data to find a confidence interval for the population standard deviation σ. Assume that the population has a nomn to the same number of decimal places as the sample standard deviation. al distribution. Round the confidence interval limits 7) The mean replacement time for a random sample of 20 washing machines is 10.9 years and the standard deviation is 2.7 years. Construct a 99% confidence interval for the standard deviation, o, of...
1. Use the confidence interval to find the estimated margin of error. Then find the sample...
1. Use the confidence interval to find the estimated margin of error. Then find the sample mean. A biologist reports a confidence interval of (4.0, 4.8) when estimating the mean height (in centimeters) of a sample of seedlings. 2. In a random sample of 26 people, the mean commute time to work was 32.2 minutes and the standard deviation was 7.1 minutes. Assume the population is normally distributed and use a t-distribution to construct a 80% confidence interval for the...
Use the confidence level and sample data to find a confidence interval for estimating the population . Round your rower to the same number of decimal place as the sample mean From packages received by a percel service, 41 are randomly selected. The sample has a mean weight of 11.6 pounds. The population standard deviation is a 24 pounds. What is the 96% confidence interval for the tree w packages received by the parol service? O A 1075*2125 OB. 10.95<<123...
1. Use the given degree of confidence and sample data to construct a confidence interval for the point) population proportion p. A survey of 865 voters in one state reveals that 408 favor approval of an issue before the legislature. Construct the 95% confidence interval for the true proportion of all voters in the state who favor approval. 0 0.438<p0.505 0 0.444 p0.500 0 0.435<p<0.508 O 0.471 p0.472 2. Use the given data to find the minimum sample size required...
Use the confidence level and sample data to find a confidence interval for estimating the population. Round your answer to the same number of decimal places as the sample mean A random sample of 87 light bulbs had a mean life of 479 hours with a standard deviation of a = 30 hours. Construct a 90% confidence interval for the mean life, ja, of all light bulbs of this type O A 472 hr < < 486 he B. 474...
Use the confidence level and sample data to find a confidence interval for estimating the population u. Round your answer to the same number of decimal places as the sample mean. 20) A group of 59 randomly selected students have a mean score of 29.5 with a standard deviation of 20) 5.2 on a placement test. What is the 90% confidence interval for the mean score,, of all students taking the test? A) 27.8 <u <31. 2 B ) 28.2<u<30....
Use th e confidence level and sample data to find a confidence interval for estimating the population 15) 42 packages are randomly selected from packages received by a parcel service. The sample has a mean weight of 26.7 pounds and a standard deviation of 2.9 pounds. What is the 95 percent confidence interval for the true mean weight, μ, of all packages received by the parcel service? 25.8 < μ < 27.6 b, 26.0< μ< 27.4 c. 25.7< μ< 27.7...
Use the given degree of confidence and sample data to construct a confidence interval for the population mean μ. Assume that the population has a normal distribution The amounts (in ounces) of juice in eight randomly selected juice bottles are: 15.4 15.6 15.0 15.1 15.3 15.4 15.9 15.9 Construct a 98% confidence interval for the mean amount of juice in all such bottles OA. 15.10 oz<p<15.80 oz O B. 15.00 oz<p < 15.90 oz OC. 15.90 oz<H15.00 oz D. 15.80...
Use the given degree of confidence and sample data to find a confidence interval for the population standard deviation σ. Assume that the population has a nomn to the same number of decimal places as the sample standard deviation. al distribution. Round the confidence interval limits 7) The mean replacement time for a random sample of 20 washing machines is 10.9 years and the standard deviation is 2.7 years. Construct a 99% confidence interval for the standard deviation, o, of...
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