Answered: Calculate the 90%, 95%, and 99%…

Math

Statistics

Calculate the 90%, 95%, and 99% confidence intervals for this sample

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Related questions

Q: If n=32, ¯xx¯(x-bar)=31, and s=14, construct a confidence interval at a 95% confidence level. Assume…

A: Given: x¯=31n=32s=1495% confidence level

Q: or each combination of sample size and sample proportion, find the approximate margin of error for…

A: We find Margin of Error (M.E) for 95% C.I. (d) (e)

Q: If n=16, ¯xx¯(x-bar)=46, and s=12, construct a confidence interval at a 95% confidence level. Assume…

A: Given n=16 x=46 s=12 CL=95% Data is normally distributed

Q: Suppose we wanted to estimate the average amount of sleep (in hours) a college student gets a night.…

A: Confidence interval : Confidence interval is a range of values it contains the true population…

Q: For the same sample proportion and sample size, what happens to the width of a confidence interval…

A: Solution-: For the same sample proportion and sample size, what happens to the width of a confidence…

Q: If n=10, ī(x-bar)=37, and s=19, construct a confidence interval at a 95% confidence level. Assume…

A: From the provided information, Sample size (n) = 10 Sample mean (x̄) = 37 Standard deviation (s) =…

Q: If n=15, ¯xx¯(x-bar)=30, and s=2, construct a confidence interval at a 98% confidence level. Assume…

A: Given Sample size n = 15 degree of freedom = n-1 =14 x the level of confidence interval 98 %…

Q: Aresearcher wanted to know the percentage of judges who are in favor of the death penalty. He took a…

Q: For the following data, determine if it would be appropriate to find a confidence interval for the…

A: Proportion can be determined by dividing the total number of items in the survey by the number of…

Q: If n=19, ¯xx¯(x-bar)=37, and s=13, construct a confidence interval at a 99% confidence level. Assume…

Q: n=31, ¯xx¯(x-bar)=30, and s=5, construct a confidence interval at a 98% confidence level. Assume the…

Q: A researcher wanted to check whether the percentage of Canadian adults with obesity has decreased in…

A: Number of Canadian adults in 2005= 75 Number of Canadian adults in 2009 = 120 significance level =…

Q: If n=13, x(x-bar)=48, and s=7, find the margin error at a 99% confidence level. Give your answer to…

A: From the provided information, Sample size (n) = 13 Sample mean (x̄) = 48 Sample standard deviation…

Q: If n=29, a (x-bar)=49, and s=3, find the margin of error at a 80% confidence level Give your answer…

A: We have given that, Sample size (n) = 29, sample mean (x̄) = 49 and sample standard deviation (s) =…

Q: If n=540 and (p-hat) = 0.13, construct a 99% confidence interval. Give your answers to three…

A: We have given that, Sample size (n) = 540 Sample proportion (p-hat) = 0.13 Then, We will find the…

Q: Sales of trumpets in a day is modeled as Normal. A random sample of 36 days is looked at. The sample…

Q: You are trying to calculate a confidence interval to estimate a population mean. After performing…

Q: Last year your professor taught economics courses to N = 200 students. From this group you randomly…

Q: 13, ¤(x-bar)=39, and s=16, construct a confidence interval at a 90% confidence level. Assume the…

A: From the given information, n=13 x-bar=39 s=16 Confidence level=90% Significance level=10%…

Q: Construct a 95% confidence interval estimate. How does this change your answer to (b)?

A: (d)

Q: If n=15, ¯xx¯(x-bar)=40, and s=9, construct a confidence interval at a 98% confidence level. Assume…

Q: A very wise teacher measured brain activity in all 20 seniors in his Statistics class in the first…

A: We have to find p value for given testing.

Q: Critical Value: Margin of Error: Lower Bound: Upper Bound: Interpret (context) OEM C *2 decimals *2…

A: * Hi! Thank you for the question As per the honour code, We’ll answer the first question since the…

Q: the sample proportion of females is x=118 n=164 P = .720 #1 Make a 95% confidence interval for…

Q: If n=15, ¯xx¯(x-bar)=33, and s=19, construct a confidence interval at a 80% confidence level. Assume…

A: Given' : sample mean xbar=33 sample size n=15 sample standard deviations s=14 then to find 80%…

Q: If n=14, (x-bar)-33, and s=9, find the margin of error at a 98% confidence level Give your answer to…

A: We have given that, Sample mean (x̄) = 33, standard deviation (s)= 9 and sample size (n) = 14 Then,…

Q: You have 16 vampire bats. These bats have a population variance of 3.4 ounces. You wish to make a…

A: Given: Sample size (n) = 16 Population variance σ2=3.4 Sample mean x¯=15.20 Confidence level = 0.950

Q: place. Answer: Lower endpoint: Upper endpoint: 41. Given two independent random samples with the…

Q: f n=19, sample mean=50, and s =8, construct a confidence interval at a 99% confidence level. Assume…

Q: If n = 530 and X = 424, construct a 99% confidence interval for the population proportion, p. Give…

Q: Construct the 99.8% confidence interval for the difference P1 - P2 when x, = 23, n, = 53, x2 = 15,…

Q: 11. Given two independent random samples with the following results: n1 = 243 p1 = 0.72 n2 = 405 p2…

A: Step1 step2 The standard error is given by So the standard Error = 0.038

Q: Sample information: 24 out of 1000 people who were surveyed had type 2 diabetes. Use the above…

A: Given n=1000 x=24

Q: 20. Suppose a 90% confidence interval is stated as (0.3011, 0.4189). What is the sample proportion…

A: The given 90% confidence interval for population proportion is, (0.3011, 0.4189) The upper limit is,…

Q: The FBI wants to determine the effectiveness of their 10 Most Wanted list. To do so, they need to…

Q: If N=480 and p̂ (p-hat) =0.88, find the margin of error at a 95% confidence level.

A: From the provided information, Sample size (n) = 480 p̂ (p-hat) =0.88 Confidence level = 95%

Q: Ve want to know how many people plan on buying a cell phone this year. Determine the sample size…

Q: For a confidence level of 94%, find the critical value for a confidence interval on a one sample…

Q: Come up with your own data for a problem that would ask for a 90% confidence interval utilizing Z.…

Q: A proportion confidence interval problem resulted in the following interval as the answer: (…

A: We have to find margin of error..

Question

Josie followed the guidelines presented to her and conducted a binomial experiment. She did 300 trials and reported a sample proportion of 0.61. Calculate the 90%, 95%, and 99% confidence intervals for this sample. (Answer in 3 decimal places)

For 90% confidence interval

Answer: Blank 1 - Blank 2

For 95% confidence interval

Answer: Blank 3 - Blank 4

For 99% confidence interval

Answer: Blank 5 - Blank 6

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

Step 2

Step 3

Step 4

Step by step

Solved in 4 steps

SEE SOLUTION Check out a sample Q&A here

Similar questions

Suppose we wish to construct a 95% confidence interval for the population proportion of fans in Notre Dame Stadium on a football Saturday who traveled in their own car. When we asked 200 randomly selected fans, 130 answered yes. Calculate the margin of error for this interval. Round your answer to 3 decimal places.
If n = 220, p-hat = 0.4, then what will be the 90% Confidence Interval for the population proportion?
#42
If n=14, ¯xx¯(x-bar)=34, and s=4, construct a confidence interval at a 80% confidence level. Assume the data came from a normally distributed population.
Identify the t-score for a 95% confidence interval if the sample size is 15. t = the answer isnt 2.131 so what is the answer?
If n=200 and X=70, construct a 99% confidence interval estimate for the population proportion. SAS (Round to four decimal places as needed.)
If n=20, ¯xx¯(x-bar)=43, and s=10, construct a confidence interval at a 98% confidence level. Assume the data came from a normally distributed population.Give your answers to one decimal place.
Imagine that you obtain a random sample of 125 M&M candies, and you notice that 28% of these candies are blue. If we convert the sample percentage of 0.28 to a sample proportion (by dividing 28 by 100), we get 0.28.
If n=430 and (p-hat) = 0.67, construct a 90% confidence interval. Give your answers to three decimals
If n=17, ¯xx¯(x-bar)=50, and s=20, construct a confidence interval at a 98% confidence level. Assume the data came from a normally distributed population.