Assume that a sample is used to estimate a population proportion p. Find the margin of error M.E. that corresponds to a sample of size 197 with 43.1% successes at a confidence level of 80%

Q: The following data set shows the average room price​ (in US$) paid by various nationalities while…

A: Given data set is 127, 103, 114, 124, 119, 116, 136, 81, 132, 95, 132, 113,139  n=No. of…

Q: Question 6 The new study also carried out a test to determine whether the population proportion of…

A: Hi there! Thanks for posting the question. Since there are multiple questions, please repost the…

Q: If P(B)=0.3​,​P(A | B)=0.5​, ​P(B′​)=0.7​, and​ P(A | B′​)=0.8​,find​ P(B |​ A)

A: Given that P(B)=0.3​,​P(A | B)=0.5​, ​P(B′​)=0.7​, P(A | B′​)=0.8​

Q: A box contains 10 red marbles, 20 blue marbles and 30 green marbles. 5 marbles are drawn from the…

A: The following information has been given: The number of red marbles =10. The number of blue…

Q: Q4/ The average on a statistics test was 78 with a standard deviation of 8. If the test scores are…

A: Answer:

Q: Pat received the following grades in four classes. What was Pat’s percentile rank in his English…

A: here given  pat's grade in each subject and mean and standard deviation for each Subject  here for…

Q: data Set XY 1.0 10.0 2.0 9.0 3.0 8.0 4.0 7.0 5.0 6.0 05.0 7.0 4.0 8.0 3.0 9.02.0 110.0/1.0 14 U V…

A: Given four data sets and their scatter plots.  We have to choose the data set as indicated in A, B,…

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

A: We have Given, Sample Size (n) = 17 Sample Mean (x̄) = 26 standard deviation (s) =…

Q: 215! 4!6! Simplify your answer as much as possible. 0

A: Given : 2! * 5 ! /4!*6!

Q: 90 mm Hg is considered to be hypertension. What percentage of women have​ hypertension? b. If we…

A: a) Given Data : Population Mean,μ = 70.1 Population Standard Deviation,σ = 9.8

Q: A certain Instructor believes that the grades of students is related to the number of progress…

A:

Q: μ=3₂ = 9, P(-6 12) a. Determine P(u - ko < X <u+ko) ≥ 1-1/2²

A:

Q: When the outliers are removed, how does the mean change? : 16 18 20 22 24 26 28 30 32 34 36 38 40 42…

A: From the dot-plot The observation is  18,38,38,40,44,44,44,46,48 The mean is…

Q: an 0.5. Assume that p is the population proportion of vaccinated high school children who contract…

A: Given: Z-test statistic is 1.874.

Q: X f(x, y) 2 4 1 0.10 0.15 y 3 0.20 0.30 5 0.10 0.15 c. Determine the cumulative distribution…

A: Given data is  f(x,y) x 2 4 Total y 1 0.10 0.15 0.25 3 0.20 0.30 0.50 5 0.10 0.15 0.25…

Q: Q1/ Grades in statistics class are weighted as follows: Tests are worth 50% of grade, homework is…

A: Here Given   Grades in statistics class are weighted as follows: Tests are worth 50% of grade,…

Q: 5. Ho: u=215 Ha u 215 The population is approximately normal. The sample mean is 219.3, the sample…

A: As per our guidelines we are suppose to answer only one question. Given,sample size(n)=12sample…

Q: Ho: 18.7 meters, Ha: 18.7 meters, n = 49, x= 19.5 meters, a = 1.4 meters the value of the standard…

A: Given : sample size, n = 49 sample mean, x̄ = 19.5 population standard…

Q: Q1/ Grades in statistics class are weighted as follows: Tests are worth 50% of grade, homework is…

A: The student gets 80 points on the test. The student gets 100 points on the homework. The student…

Q: For a standard normal distribution, find: P(Z < 1.09)

A:

Q: This data set describes the flight path of a balsa wood glider launched from a tower on a hilltop.…

A:

Q: 1. Ho: = 85 Ha: 85 The sample mean is 83, the sample size is 39, and the standard deviation is 5.…

A: As per bartleby guidelines we can solve only first question and rest can be reposted

Q: The data set below contains the number of partners in a cohort of rising accounting firms that have…

A: The data set shows the number of partners in a cohort of rising accounting firms that have been…

Q: 3. x = 7 and = = 15 test the hypothesis that μ = 5. n 4. Would you result change using a different…

A: Solution Given that, 3.x bar = 7 , and s2/n=15 and µ = 5 4. would you result change using a…

Q: 5. Ho: u=215 Ha 215 The population is approximately normal. The sample mean is 219.3, the sample…

A: Since you have posted a question with multiple subparts, we will solve first three subparts for you.…

Q: ABC Corporation is considering whether it should offer  two contracts (S1 and S2)  from a private…

A:

Q: The following is a set of data from a sample of n=6.   5  2  7  5  1  13        a. Compute the first…

A:

Q: The table below gives the annual income for eight families, in thousands of dollars. Find the number…

A: Given : Family A B C D E F G H Income 51 53 52 50 49 50 47 48

Q: A sample of 20 joint specimens of a particular type gave a sample mean proportional limit stress of…

A: Given: Sample size n = 20 Sample mean X = 8.47 Sample standard deviation s = 0.76 Formula Used:…

Q: Round your answer for the expected count to one decimal place, and your answer for the contribution…

A: Given,

Q: Determine the expected value of X^2. Determine the expected value of Y^2.  Determine the variance of…

A:

Q: =(x, y) = { √x² +²2²2²,0 < x < 1,0 < y < 2, elsewhere. 0, (x)= 2x (x + 1/3), h(y)= 1/3 + y/6. g.…

A:

Q: f(x, y) y 1 3 1 0.05 0.05 0.00 2 0.05 0.10 03 3 0.10 0.35 0.10

A: The table is as follows       x     f(x,y)   1 2 3 h(y)   1 0.05 0.05 0.1 0.2 y 3 0.05 0.1…

Q: In a sample of 5 courses with no support course the average final of 200 students was 70% with a…

A: Question 1 Given, sample size (n)  = 200 standard deviation (σ) = 10 sample mean (x̄)  = 70…

Q: A binomial experiment with probability of success p=0.8 and n=7 trials is conducted. What is the…

A: Given : Probability of success,p = 0.8 Probability of failure,q=(1- 0.8)= 0.2…

Q: A binomial experiment with probability of success p=0.4 and n=5 trials is conducted. What is the…

A:

Q: We are to conduct a hypothesis test to determine if there is a significant relationship between x…

A: The question is about to find mean of dependent variable Given :

Q: Assume that females have pulse rates that are normally distributed with a mean of μ=76.0 beats per…

A: From the provided information, Mean (µ) = 76.0 Standard deviation (σ) = 12.5 X~N (76.0, 12.5)

Q: Determine whether the statement below makes sense or does not make sense. Explain clearly.

A: Here given , Based on our sample, the 95% confidence interval for the mean amount of television…

Q: he time in seconds after it is thro .5 1 1.5 2 25 82.2 92.625 100.6 106 lator to do a quadratic…

A: t h(t)  0.5 69.325 1 82.2 1.5 92.625 2 100.6 2.5 106.125 3 109.2 lets consider…

Q: Given the joint cumulative distribution function of the variables X and Y, F(x,y). X

A: From the given information, The joint probability mass function of (X, Y) is,   Y|X -∞ 1 2 3…

Q: Solve the following problem without using excel That is, solve step by step Calculates the variance…

A: Given data is xi 6 16 26 36 46 Fai 3 10 15 30 45

Q: Sample Designs: Test one group against another group of experiment on the same reaction time test…

A: The procedure for a reaction time test using a ruler: 1) Two volunteers are required for the…

Q: A student has twelve books that she would like to place in her backpack.​ However, there is only…

A: The formula for combination is nCr= n! / [r! (n – r)!] = [n (n – 1) … (n – r + 1)] / r!.…

Q: Determine the t critical value for a two-sided confidence interval in each of the following…

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are…

Q: The time in hours during which an electrical generator is operational is a random variable that…

A: Given : Population Mean,μ = 160

Q: In order to make the decision for one business, your team constructed a 90% confidence interval, the…

A: For 90% confidence interval, the width of that confidence interval is 500.We have to reduce the…

Q: A distribution of values is normal with a mean of 116.2 and a standard deviation of 60.1. Find P43,…

A:

Q: Determine the cumulative distribution function F(x).  Determine the cumulative distribution…

A: Given data is  f(x,y) x 2 4 Total y 1 0.10 0.15 0.25 3 0.20 0.30 0.50 5 0.10 0.15 0.25…

Q: According to a study, 70% of K-12 schools or districts in a country use digital content such as…

A: