If n-470 and p (p-hat) -0.25, find the margin of error at a 99% confidence level Give your answer to three decimals
Q: Express the confidence interval 0.517 + 0.054 in interval form. You may use (lower, upper) or…
A: Given confidence interval0.517 ± 0.054
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Q: We randomly sample 300 people in a specific town. 96 of them like cats. Based on this, construct a…
A: The provided information are: Sample size=n=300 Number of favroable cases==x=96 to Construct the 95%…
Q: he confidence interval was (73, 83) What was the point estimate? What was the margin of error?
A: Given: Lower limit =73 Upper limit =83 The point estimate can be calculated as: Point estimate…
Q: truct the 80% confidence interval for the difference p₁-P2 when x₁ = 40, n₁ = 80, x₂=20, and n₂ =…
A: For population 1:The number of successes is .The sample size is .For population 2:The number of…
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A: a)Suppose p is the true population proportion of all adults who use social media.In a random sample…
Q: Express the confidence interval (76.2%, 93.2%) in the form of p+E. % ± ae
A: Confidence interval=(76.2% , 93.2%)Upper limit=93.2%Lower limit=76.2%
Q: If n=330 and p (p-hat) =0.92, find the margin of error at a 99% confidence level Give your answer to…
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Q: If n-140 and p (p-hat) 0.63, find the margin of error at a 90% confidence level Give your answer to…
A: Introduction:The 100 (1 – α) % confidence interval for the population proportion, π is: (p̂ –…
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A: Given Data: p=0.24 n=276 z-value corresponding to 95% Confidence level=1.96
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A: Confidence interval:Confidence Interval: A confidence interval gives a range of estimates for an…
Q: If n=320 and (p-hat) =0.94, find the margin of error at a 95% confidence level Give your answer to…
A:
Q: The sample mean is 32, the sample size is 16, sample standard deviation is 6, and the confidence…
A: Given information Sample size (n) = 16 Sample mean x̅ = 32 Standard deviation (s) = 6 Significance…
Q: Express the confidence interval 81.9%. ±. 4.6%. in interval form.
A: Confidence interval is the estimate of the interval of an unknown population parameter. It provides…
Q: The confidence interval lower limit and upper limit for a population mean are (62.3, 67.3). What is…
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Q: If n=360 and p (p-hat) =0.29, find the margin of error at a 95% confidence level Give your answer to…
A: Given that : Sample size (n) = 360 P(hat) = 0.29 Confidence interval is 95% We use here, Margin of…
Q: The confidence interval was (22, 26) What was the point estimate? What was the margin of error?
A: Given confidence interval was (22, 26)
Q: A random sample of 100 employees at a company shows that 62 are female. Form a 95% confidence…
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Q: Express the confidence interval 85.8 % ± 3 % in interval form. Write you answer in DECIMAL form.…
A: From the provided information, Confidence interval is 85.8% ± 3%
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Q: press the confidence interval (81.8%,96.4%)(81.8%,96.4%) in the form of ˆp±E.
A: Given: Lower limit = 81.8% = 0.818 Upper limit = 96.4% = 0.964 The point estimate can be calculated…
Q: Construct a confidence interval for p, - P2 at the given level of confidence. X1 = 25, n, = 257, x2…
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Q: Express the confidence interval 0.312 ± 0.042 in interval form. You may use (lower, upper) or…
A: The confidence interval are used in statistics and probability to test the null hypothesis.
Q: Express the confidence interval (75.7 % , 86.5 % ) in the form of p + E. %土
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Q: If n=130 and ôp (p-hat) =0.93, find the margin of error at a 99% confidence level Give your answer…
A: Here, the margin of error for proportion p^ is to be calculated. The formula is given by, z*p^1-p^n,…
Q: If n=120 and p (p-hat) =0.31, find the margin of error at a 99% confidence level Give your answer to…
A: Sample size, n = 120 p^ = 0.31 99% confidence level
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Q: Express the confidence interval 36.4 % ± 6.2 % in interval form. Express the answer in decimal…
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Q: Out of 400 people sampled, 288 had kids. Based on this, construct a 99% confidence interval for the…
A: In statistical inference, there are two types of estimation, 1) Point estimation and 2) Interval…
Q: If n=340 and p (p-hat) =0.23, find the margin of error at a 95% confidence level Give your answer to…
A: Given,n=340p^=0.23α=1-0.95=0.05α2=0.025Z0.025=1.96
Q: What happens to the spread of an interval if you increase the confidence level from 90% to 99%?
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Q: If n = 140 and p (p-hat) = 0.8, construct a 95% confidence interval. %3D Give your answers to three…
A: We want to find the 95% CI for population proportion
Q: Working Backwards from the Confidence Interval to Find the Sample MeanSometimes when we read…
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Q: If n=21, (x-bar)-43, and s-8, find the margin of error at a 95% confidence level Give your answer to…
A: Given information:
Q: If n-350 and (p-hat) -0.88, find the margin of error at a 95% confidence level Give your answer as a…
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Q: Express the confidence interval 83.2%±7.2%83.2%±7.2% in interval form.
A: It is given that, The confidence interval is 83.2% ± 7.2%. We have to write the given confidence…
Q: Construct a confidence interval for p, - P2 at the given level of confidence. x1 = 384, n, = 508, x2…
A: Obtain the 90% confidence interval for the difference between two population proportions. The 90%…
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- A random sample of 100 employees at a company shows that 62 are female. Form a 90% confidence interval for the proportion of all employees who are female. The interval is 0.62 what margin of error? Round your answer to 3 decimal places.Construct a confidence interval for p₁ - P2₂ at the given level of confidence. x₁ = 30, n₁ = 228, x₂ = 39, n₂ = 294, 95% confidence The researchers are % confident the difference between the two population proportions, p₁ – P2, is between (Use ascending order. Type an integer or decimal rounded to three decimal places as needed.) andTq14
- Construct a 96% confidence interval if x=75 and n=200. Round your answers to 3 decimal places.Construct a confidence interval for p, - P, at the given level of confidence. X1 = 34, n1 = 273, x2 = 32, n2 = 313, 90% confidence The researchers are % confident the difference between the two population proportions, p, - P2, is between and (Use ascending order. Type an integer or decimal rounded to three decimal places as needed.)If n = 380 and ˆ = 0.25, construct a 95% confidence interval.< p < (Give your answers to three decimals)
- Help!Question 7 > In a recent poll, 450 people were asked if they liked dogs, and 65% said they did. Find the Margin of Error for this poll, at the 90% confidence level. Give your answer to four decimal places if possible. Submit QuestionA poll of 1731 U.S. adults found that 56% regularly used Facebook as a news source. Find the margin of error and confidence interval for the percentage of U.S. adults who regularly use Facebook as a news source, at the 90% level of confidence. Round all answers to 2 decimal places