andom sample of 245 adults was collected and it was found that 172 still had their wisdom teeth. Using this information construct an approximate 90% confidence interval for the proportion of adults who have had their wisdom teeth removed.

Q: A student reported a 95% confidence interval of [3.21,4.29] What is the mean of the data set?…

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Q: What is an approximate 99% confidence interval for the slope of the line of best fit?

A: The provided information is, The 99% Confidence interval can be calculated as,

Q: If n = 340 and p (p-hat) 0.05, construct a 90% confidence interval. %3D Give your answers to three…

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Q: When solving a problem related to one sample and the confidence interval of variance. Which table…

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Q: True or false? If a 95% confidence interval for the difference in two independent means is (-4.5 to…

A: The confidence interval for the difference in two independent means is calculated by using the…

Q: Determine the sample size for a on-line survey with a variability of 30% and a 95% confidence…

A: Sample size n=z2(p*q)/e2

Q: What is the impact on the confidence interval estimate if a larger sample is used?

A: Confidence interval:

Q: "Calculating a confidence interval provides you with an indication of how reliable your sample mean…

A: The degree of confidence is the likelihood that the confidence interval will include the true mean…

Q: How Finite Population Correction (FPC) can be applied to the confidence interval formula?

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Q: If n=160 and X = 128, construct a 90% confidence interval. Give your answers to three decimals  <…

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Q: What is the effect on a confidence interval if one decreases both sample size and the level of…

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Q: Identify the t- scores for a 99% confidence interval if the sample size is 70?

A: We have to find critical value.

Q: If n = 440 and p = 0.52, construct a 90% confidence interval. %3D %3D Give your answers to three…

A: https://drive.google.com/file/d/1gHrhTXc4FO41cCl2zvcXX4g7VvIUye8u/view?usp=sharing

Q: Construct a 96% confidence interval if x=75 and n=200. Round your answers to 3 decimal places.

A: Introduction: The 100 (1 – α) % confidence interval for the population proportion, p is: Here, n is…

Q: If n=470 and p̂ (p-hat) = 0.65, construct a 95% confidence interval.

A: From the provided information, Sample size (n) = 470  p̂ (p-hat) = 0.65 Confidence level = 95%

Q: How do you find a 99 percent confidence interval?

A: Confidence intervals are a commonly used statistical tool for estimating the range of possible…