Assume that population proportion is to be estimated from the sample described. Use the sample results to approximate the margin of error and​ 95% confidence interval.   Sample​ size, n=535​; sample​ proportion, p=0.8

Q: 5) Given 27, 43, 61, 63, 64, 71, 76, 80, 82, 89, 92, a) Find Q and Q3 b) Find IQR c) s] Find the…

A:

Q: The confidence interval was (41%, 45%) What was the margin of error? +/- % What was the summary…

A:

Q: 4. The following diagram is a an example of what kind of model? Describe how such a model is…

A: Given information: Scatter plot diagram and regression line for the two variables growth and rain is…

Q: A store manager hypothesizes that the average number of pages a person copies on the store’s copy…

A: The provided information is   n=50 α=0.01 1. The null hypothesis is Ho:µ=40 E. = 2. The alternative…

Q: 4.two die are tossed, the probability that the sum of two faces will be 4

A: In tossing two die, the total possible outcomes are…

Q: In an exam done by 100 students, the average grade is 4.2 and only 32 students pass. Assuming that…

A: In an exam done by 100 students, the average grade is 4.2 and only 32 students pass.  Assuming that…

Q: Find the mean and standard deviation for the distribution. B/choose the appropriate answer: 1- P is…

A:

Q: (Note: Express your answers as decimal fractions rounded to 4 decimal places (if they have more than…

A: We have given that the Markov chain with transition matrix P.

Q: Find the mean and the population standard deviation of the race times in the following table. 49.4…

A:

Q: You work for a marketing firm that has a large client in the automobile industry. You have been…

A: Given that  You work for a marketing firm that has a large client in the automobile industry. You…

Q: 1) Let P and P, be the proportions of all users of Toothpastes A and B, respectively, who will never…

A: It is given that For toothpaste A, sample size n1 = 500, X1 = 100 For toothpaste B, sample size n2 =…

Q: 4- The number of element in the sample space when you flip 3 coins together a) 2 b) 8 c) 6 d) 12

A: Given3 coins filped together

Q: Silicone implant augmentation rhinoplasty is used to correct congenital nose deformities. The…

A:

Q: Determine the null and alternative hypotheses. *Determine the appropriate critical value. Select…

A:

Q: 64 68 51 49 64 50 48 65 52 62 55 54 48 58 64 55 55 54 42 51

A: We have given that,  The data set are :- 61  57  58  57  61  64  68  51  49  64  50  48  65  52  62…

Q: Hi, my question is about determining what descriptive measure is appropriate to describe a set of…

A: We cannot conclude that the 3 learners have equal performance. Though the means are equal for all…

Q: What is the probability you draw two cards of the same color from a standard 52 card deck you are…

A: in a pack 52 cards we 26 black cards and 26 red cards.

Q: An existing inventory for a test measuring self-esteem indicates that the scores have a standard…

A:

Q: A coin-operated drink machine was designed to discharge a mean of 9 fluid ounces of coffee per cup.…

A: GivenMean(x)=9.03standard deviation(s)=0.23sample size(n)=17α=0.10

Q: 3 Assume the JPDF of (X,Y) is f(x,y) = 0, |x+y, 0<x < 1, 0 < y <1 , solve else (1) the CDF and the…

A: 3. From the given information, The joint pdf for X and Y is, fx,y=x+y, 0≤x≤1, 0≤y≤10 else 1)…

Q: Estimating Sample Size: You want to obtain a sample to estimate a population proportion. Based on…

A:

Q: he term 'simple' in simple linear regression refers to the fact that a. the dependent variable is…

A: The term 'simple' in simple linear regression refers to the fact that

Q: a)Interpret these values in the context of the problem. O There is a 95% chance that the sanmple…

A: Confidence Interval: In the hypothesis of testing, for a parameter, we obtain a confidence interval.…

Q: In a random experiment of answering a five-question multiple choice exam with five choices per…

A:

Q: 11 Q16: For a sample, we find that (x-7} =90, so the standard deviation (S) is (B) 3 (C) 3 (D) None…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: average user spent about 75 minutes per day logged into their SlackBoard classes and that time spent…

A: Given that ; Sample size(n) = 72  Sample mean = 100 μ = 75 ? = 41  By using the one sample mean z…

Q: 3a)A rowing club has 20 members. The coach wants to find out about how many hours members spend in…

A:

Q: 4.two die are tossed, the probability that the sum of two faces will be 4 a)효 11 b) d) 3 12

A:

Q: If n=30, (x-bar)=38, and s=8, construct a confidence interval at a 90% confidence level. Assume the…

A:

Q: Suppose you are applying to this law school, and you read about an experiment for a new LSAT…

A:

Q: From the different Measures of Central Tendency, can we conclude that mean was used to solve for the…

A: Please find the explanation below. Thank you.

Q: Let X follow the normal distribution with μ = 100 and σ = 10. Then P(X < 120) is closest to:…

A: Solution

Q: The four-story apartment in New York, where the calculated mean monthly rent for a random sample of…

A: The question is based on confidence interval for a popl. mean and sample size estimation for mean.…

Q: Create three examples of research title and write the null and alternative hypothesis for each…

A: Null hypothesis provides a plausible explanation of the data. The alternative hypothesis is…

Q: For each variable described below indicate which measure of central tendency (mean, median, mode)…

A: 1) Final Grades in Math: Mean and median are the best measures of central tendency for estimating…

Q: Compare the three samples - monodisperse or disperse? Bimodal or multimodal?

A: Given information: Sample size distribution for Sample 1, sample 2 and Lab synthesised sample is…

Q: 1. Santos Farm takes pride in its poultry produce and claims that cach dressed chicken they sell…

A: Hello! As you have posted 2 different questions, we are answering the first question. In case you…

Q: A poll of 1834 U.S. adults found that 735 U.S. adults, or 40.076% regularly used Facebook as a news…

A: The provided information is  n=1834 x=735 p^=0.401 1. The level of confidence is 90% Then the…

Q: An old camera has responding after taking a shot. What is the probability that the camera will stop…

A:

Q: Question 8 A Pick any two variables that you feel may be related and estimate what you think the…

A: We need to create an example for the correlation coefficient and measure the strength of…

Q: Formulation of hypothesis: Enumerate the following. no need explanation 1-2 Two competing…

A: Introduction:  Hypothesis:  A hypothesis in hypothesis testing hypothesis is a statement about the…

Q: A study was conducted that asked married women that had no children if they plan to have any…

A: a Null Hypothesis: H0: p1=p2 There is no difference in the proportion that plan to have children…

Q: A physician claims that joggers’ maximal volume oxygen uptake is greater than the average of all…

A: Givensample size(n)=15Mean(x)=40.6standard deviation(s)=6α=0.05

Q: Describe the 5 elements of a hypothesis test.

A: We have to describe the 5 elements of a hypothesis test.

Q: ANSWER MUST BE IN WHOLE NUMBER 1. A study of 50 students showed that their average grade in science…

A:

Q: 1) Let f(x,y) = 6x,0 < x < y<1 and 0 elsewhere. Find a) The marginal density of X and Y

A: The provided information is  f(x,y)=6x    0&lt;x&lt;y&lt;1   and 0 otherwise Therefore  a. The…

Q: An entrepreneur commissions research to evaluate the relationship between logarithm of sales in her…

A: The following information is given regarding the Durbin Watson test. The level of significance is…

Q: A supervisor is reviewing a production line that has been experiencing problems with the sequencing…

A: The following information has been given: The sample size for technique A is n1=10. The sample size…

Q: 0.0 Find the mean and standard deviation for the distribution.

A: NOTE-AS PER POLICY I HAVE CALCULATED FIRST MAIN QUESTION ONLY

Q: e null hypothesis is a statistical design to assess the strength of the data against the Ho. 2. A…

A: 1) Yes, it is true that the Null hypothesis is a statistical design to assess the strength of the…