2.In Dungeons and Dragons, a 20-sided die is often used in place of the standard 6sided die. A roll above a 10 (i.e., 11-20) is usually considered a “good" roll. The Masked Royalethinks he's unlucky in this department. To test this theory, he rolls a 20-sided die 161 timeswhile playing. 74 rolls are above a 10.a)Create a 95% confidence interval for the true proportion of times The MaskedRoyale rolls above a 10. Use this interval to determine whether the Masked Royale is trulyunlucky or not.b)The Masked Royale decides to resample and create a new 95% confidence interval.Determine the sample size needed to keep the margin of error for the Masked Royale's intervalat 0.01. You can use the previous sample's proportion in your calculations.

Here , In Dungeons and Dragons, a 20-sided die is often used in place of the standard 6 sided die. A…

Answered: a) Create a 95% confidence interval for…

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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construct a confidence interval for this data. You should construct a 95% confidence interval for this data. How you do this will depend on whether your data is summarized using a mean or proportions. If you have categorical data, you will have to pick one of the categories and focus on a confidence interval for the proportion for that category, and you only need to do one for that one category. Please show the parts of your equation (point estimate, Z or T, and standard error) in addition to your final result.
Assume that population means are to be estimated from the samples described. Use the sample results to approximate the margin of error and 95% confidence interval. Sample size=64, sample mean=69, sample standard deviation=7 what is the margin of error
We would like to compute a 98% confidence interval on the proportion of CBC students that will be transferring to a 4 year college or university after their time at CBC. The current proportion is unknown and we would like an error of no more than 1.5% in the estimate. How large of a sample needs to be taken?
among various ethnic groups, the standard deviation of heights is known to be approximately three inches. We wish to construct a 95% confidence interval for the mean height of males from a certain country. Forty eight males are surveyed from a particular country.. The sample mean is 70 inches. The sample standard deviation is 2.6 inches. construct a 95% confidence interval for the population mean height of males of theis country?
Tina catches a 14-pound bass. She does not know the population mean or standard deviation. So she takes a sample of five friends and they say the last bass they caught was 9, 12, 13, 10, and 10 pounds. Find the t and calculate a 95% (α = .05) confidence interval.
If n = 550 and X = 440, construct a 90% confidence interval for the population proportion, p. Give your answers to three decimals < p <
Suppose you construct a 90% confidence interval for the true population mean GPA of students at Taft College. If all of the sample values remained constant and you decreased the confidence level, what would happen to the width of your confidence interval? Edit View Incort
If a 95% Confidence for the Population Proportion is (0.56, 0.78), fınd its Margin of Error.

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