Choose a type of confidence interval: one proportion z, two proportion z, one sample t, two sample t, or paired t. Can someone create one or a few original practice problems that could be solved using that test and show the full solution?  If you can be thorough in your explanation it would be great. I need some new ones to work on and compare my work to the answers. Thanks

Q: n = 260 and X = 208, construct a 90% confidence interval for the population proportion, p. Give…

A: Given data,x=208n=260p^=xn=208260=45=0.80

Q: f n=450 and X = 360, construct a 99% confidence interval.

A:

Q: You may need to use the appropriate appendix table technology to answer this question. A 95%…

A: Assume that μ is the population mean.

Q: 3. Confidence level : 99%, degree of freedom = 0, & = 0, s = 1 4. Confidence level : 99%, degree of…

A: Q4 Given that  99% confidence level  x=10 s=0.1 degrees of freedom=4 Q5 Given that  99% confidence…

Q: If n = 230 and X = 184, construct a 99% confidence interval for the population proportion, p.Give…

A: Given data n = 230 x = 184 sample proportion

Q: We wish to estimate what percent of adult residents in Ventura County like chocolate. Out of 400…

A: Given  X=349, n=400  Level of significance ɑ=0.05

Q: If n = 180 and X = 144, construct a 90% confidence interval for the population proportion, p. Give…

A: Solution: From the given information, X=144, n=180 and the confidence level is 0.90. The sample…

Q: wrong answer for letter c, it was asking the LOWER quartile.

A: Percent of calories consume by Americans follow normal distribution with mean 36  and standard…

Q: A study is testing the effectiveness of a new allergy medication. Sixty people who reported they…

A: Given: Number of people who have reported allergies = 60

Q: If n=27, (x-bar)=34, and s=3, find the margin of error at a 90% confidence leve Give your answer to…

A:

Q: If n = 330 and X = 264, construct a 95% confidence interval for the population proportion, p.

A: Ans#- From the provided information, Confidence level = 95% Sample size (n) = 330, x = 264 Sample…

Q: 2. I want to create a confidence interval for the salaries of statistics teachers in America. I want…

A:

Q: 2 of this question. Auditor to obtain a high level of certainty that misstatement or deviation is…

A: To ensure the work of an auditor is reliable and standard the following are techniques: 1. Adopt…

Q: In a survey of 323 adults over 50, 60% said they were taking vitamin supplements. Find the margin of…

A:

Q: If n = 250 and X = 200, construct a 99% confidence interval for the population proportion, p. Give…

A: As given, n = 250 and x = 200.  It is asked to construct a 99% confidence interval for the…

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: there are two part for the question, I want the answer for the test statistics and the P- Value…

A: Given information: n=199x¯=7.87s=2.27 Here, the standard deviation is not known. Hence, the t test…

Q: If n=590 and p=0.93, construct a 90% confidence interval.

A: Express the expression for the confidence interval. C.I=p±Z*p(1-p)n Here, Z* is the critical value .…

Q: How large is the sample if the confidence level is 97%, Ɛ = 2.5%  and ρ = .35?

A:

Q: Solve this attachment.

A: Given: Margin of error (E)= 30 The 99% confidence interval is (0.20, 0.21) The value of p is…

Q: Imagine you work for a psychological testing agency and you have been assigned the role of analysing…

A: Thanks for giving opportunity to serve for bartleby students, Hey, There ! Thank you for posting…

Q: Kindly tell what is confidence interval in stats thanks.

A: An essential idea in statistics is a confidence interval (CI), which provides a range that, with a…

Q: Interpretation What does the "confidence" level in a confidence interval mean? If we say we have a…

A: Given information: Interprete the confidence level. What is meant by a 90% confidence level? Define,…

Q: 101, x=43, and s 15, construct a confidence If n interval at a 80% confidence level. Give your…

A:

Q: Please do Part D, E, F, G. The answers for part A,B,C are given to help. QUESTION: A national poll…

A: (d)   Determine whether the 94% confidence interval provides good evidence that the actual…

Q: If n = 15, the sample mean = 150, SD = 10, what is the confidence interval (using 99% confidence…

A: Given data,n=15x=150σ=10z-value at 99% confidence is Zc=2.576

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: In general, when you increase the confidence level for a confidence interval using the same sample…

A: As confidence level increases critical value is going to increase .  Here they given sample…

Q: The newly opened corner bookstore reports that in the first week, even though 63 pe came inside the…

A: given data,25-bought some books only 12- bought  some kind of magazines26- not buy anything63- total…

Q: An independent-measures study has one sample with n₁ = 32 and a second sample with n2 = 15 to…

A: The first sample size is 32, second sample size is 15.

Q: hen you have two independent populations, explain the similarities and differences between the test…

A: Our aim is to explain the similarities and differences between the test of hypothesis for the…

Q: Describe of two examples of data sets for each of the four levels of measurement. Justify your…

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Q: If n = 440 and X = 352, construct a 90% confidence interval for the population proportion, p. Give…

A:

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

A:

Q: This my third time posting the same question. Because no one answer it straight to me. I already…

A: 1)From the provided information, The sample number of students watching video (n) = 19 The number of…

Q: If n=550 and X = 440, construct a 90% confidence interval. Give your answers to three decimals <p<

A:

Q: Suppose we measure GPA for people in our class, we find the mean is 2.8 and the median is 3.2. What…

A: Given: Mean = 2.8 Median = 3.2

Q: construct a confidence interval for this data. You should construct a 95% confidence interval for…

A: Note: Hi there! Thank you for posting the question. As you have posted multiple questions, as per…

Q: Find the sample size need to find the Population Proportion if the margin of error is 4%, the…

A:

Q: Alan wants to estimate the proportion of adults who walk to work. In a survey of 10 adults, he finds…

A: Given: Alan wants to estimate the proportion of adults who walk to work. Total number of adults=10…

2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.