A report statesb that 46% of home owners had a vegetable garden. how large a sample is needed to estimate the true proportion of home owners who have vegetable gardens to within 4% with 95% confidence.

Q: incomplete histogram and table give information about the ages of people living ina village.…

A: Let x be the ages in years. The incomplete histogram and incomplete frequency distribution is given.…

Q: The table below shows standard deviations and correlation coefficients for seven stocks from…

A: To calculate the variance of a portfolio with equal investments in each stock, we need to use the…

Q: Arrange the steps to solve the recurrence relation an= an-1+6an - 2 for n ≥ 2 together with the…

A: Arrange the steps to solve the recurrence relation an=an-1+6an-2 for n ≥2 together with the initial…

Q: Ⓡ (b) (6) For a frequency distribution in the (a, b, 0) class, you are given Pk = P(K = k) Pk =…

A: (a) To calculate the mean of the frequency distribution, we use the formula: Mean = ΣkP(k) where k…

Q: The mean wingspan of a sample of 31 birds of a particular species is 30 inches.  The standard…

A: Sample size n =31 Sample mean=30 Population standard deviation =4

Q: hod of resource allocation. The resource limits are as follows: 5M and 2H.

A:

Q: The probability that a randomly selected adult has an IQ less than 129 is (Type an integer or…

A: Assume that adults have IQ scores that are normally distributed with a mean of μ= 105 and a standard…

Q: MATH PROBABILITY AND STATISTICS, PLEASE ANSWER JUST IN 10 MINUTES, NOT ANYMORE Determine the value…

A: f(x)=c(x+15)100     for x=0,1,2 X 0 1 2 f(x) 15c100 16c100 17c100

Q: You receive a brochure from a large university. The brochure indicates that the mean class size for…

A: 34,30,27,30,31,37,24,22,31,25,29,34,33,32,28,32,26,28sample size(n)=18

Q: In a survey of 3012 adults aged 57 through 85 years, it was found that 81.2% of them used at…

A: Answer: From the given data, Sample size (n) = 3012 Percentage of adults aged 57 through 85 years in…

Q: A recent survey of 1123 employees found that 38% of them would lay off their bosses if they could.…

A: Answer: From the given data, Let X represent the number of employees lay off their their bosses if…

Q: a. After identifying the 16 different possible samples and finding the mean of each sample,…

A: The assets​ (in billions of​ dollars) of the four wealthiest people in a particular country are 35,…

Q: How many years is a randomly selected 19-year-old expected to live beyond his or her 19th birthday?…

A:

Q: If SS Total = 8.8 and SS Between = 4.2, what is SS Error?

A: Answer: From the given data, SS Total = 8.8 SS Between = 4.2

Q: Find the area of the shaded region. The graph to the right depicts IQ scores of adults, and those…

A: X~N( μ , ?)   μ=100 , ?=15   Z-score =( x - μ )/?

Q: These are two output of SPSS simulation for temperature change for years between two regions.…

A: Consider the given outputs that show the temperature change for years between two regions. Output 1:…

Q: Calculate the test statistic,

A: here  In a recent Super Bowl, a TV network predicted that 54 % of the audience would express an…

Q: Consider the following data: 2,3, 4, 5, 6 P(X-x) 0.1, 0.3, 0.3, 0.1, 0.2 Find the value of P(X>4)

A: Answer: From the given data,   X      2     3     4    5    6 P(X)   0.1  0.3  0.3  0.1  0.2

Q: ANOVA table, what are the Mean Squares and F value for Factor B?

A: SS factor B=41 , df factor B=1

Q: Read the box “the Return to Education and the Gender Gap” in Section 8.3. a) Consider a male with…

A: Introduction: From the fourth column of Table 8.1, the regression equation is:

Q: Watch help video Universal Set U=1,2,3,5,6,7,8 Subset B=2,3,5,6,7,8 What is the complement of Set B…

A: U=1,2,3,5,6,7,8B=2,3,5,6,7,8

Q: Define hypotheses Find the critical value and rejection region using alpha = .05. Fill in the ANOVA…

A: Null hypothesis: The mean number of sick days taken by employees is not significantly different…

Q: Use the information below to answer following three questions.  Total Hardware expected to sell 800…

A: To calculate the sales margin variance, we first need to calculate the actual contribution margin…

Q: If your null and alternative hypothesis are: H0:μ=64H0:μ=64  H1:μ<64H1:μ<64 Then the

A: null and alternative hypothesis are:H0:μ=64H1:μ&lt;64

Q: In a random sample of 63 trout, the average weight is 4 pounds, with standard deviation(s) = 0.6…

A: Answer: From the given data, Sample size(n) = 63 Average weight = 4 Standard deviation(s) = 0.6

Q: population (p) prefers Candidate A. Use a 99% confidence level, and give your answers as…

A: The sample proportion is calculated by using the formula: p=xn   =48400   =0.12 Here X=48 is the…

Q: A miniature golf course was recently added at the fairgrounds in a U.S. state. To see what sorts of…

A: Group 1 (With Children) Visited the miniature  Sample size (n1)=75  Number of children visited…

Q: Given the curve tracers results and several selected Q-points, which Q-point would yield the largest…

A: To understand which Q-point would yield the largest output swing, you need to understand how to…

Q: In a recent court case it was found that during a period of 11 years 857 people were selected for…

A: Given: Sample size (n) = 857 Sample proportion (p̂) = 0.38  Population proportion (p) = 0.78…

Q: A sample of 28 adults attending a country fair determined that the mean age was 34, given that the…

A:

Q: Calculate the margin of error and construct the confidence interval for the population mean using…

A: Answer: From the given data, mean(x¯) = 83.6 sample size(n) = 56 standard deviation(s) = 14.5 95%…

Q: Explain why this is.

A: A large prediction confidence interval denotes a high degree of prediction uncertainty. A confidence…

Q: Heart rates are determined before and 30 minutes after a Kettleball workout. It can be assumed that…

A: Test statistics  = ? P value = ?

Q: Consider the following two sets: S₁ = (x ER²: -2 ≤ x₁ + 2x₂ ≤ 4} U (x ER²: 0≤ 3x1-x2 ≤ 6) S₂ = (x…

A: For set S₁: Is it a convex set? Yes, S₁ is a convex set because it is a union of two convex sets.…

Q: Which of the following tests will reject the null hypothesis that the two samples come from…

A: It is given that:  For sample-1: x¯1=50, s1=10, n1=20. For sample-2: x¯2=60, s2=15, n2=25

Q: Less than 60% of people support the death penalty. Express the null and alternative hypotheses in…

A: claim is Less than 60% of people support the death penalty

Q: Find the mean and standard deviation of the indicated sampling distribution of sample means. Then…

A: Given Information: The annual salary for one particular occupation is normally​ distributed, with a…

Q: Table 4 above is displaying odds ratios for each predictor estimated by a multivariablelogistic…

A: To estimate the odds ratios for each predictor in a multivariable logistic regression model, a…

Q: According to the graph, which type of mass transit is not a cost-effective option for a small city?…

A: Bus

Q: Find the p-value

A: You are conducting a study to see if the probability of a true negative on a test for a certain…

Q: notive center guarantees customers that the service will take no longer than 20 minutes. If it does…

A: X~N( μ , ?)   μ=17 , ?=2.5   Z-score =( x - μ )/?

Q: re are from medicines manufactured in the United States. Assume that a simple random sample has been…

A: Population mean μ =14 Sample size n =10

Q: For this question, create a new column in the dataset where total rainfall is just the sum of our…

A: To create a new column in the dataset where total rainfall is just the sum of our three separate…

Q: Suppose the heights of men are normally distributed with mean, μ = 68.5 inches, and standard…

A: From the provided information, Mean (µ) = 68.5 Standard deviation (σ) = 4 X~N (68.5, 4)

Q: Amie Jackson, a manager at Sigma travel services, makes every effort to ensure that customers…

A: 90%confidence interval is [1.19,7.36] is geven  then

Q: 1. 2. 3. 4. Enter the data into an Excel spreadsheet as two columns. The first column is age in…

A: Comment: As per the our company guidelines we are supposed to answer only one question. Kindly…

Q: Which of the following tests is used to test if the homogeneity of variance assumption is met?…

A: which of the given tests is used to test if the homogeneity of variance assumption is met.

Q: The Iowa Wolves are scheduled to play against the Maine Red Claws in an upcoming game in the…

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case…

Q: This is two different samples though - younger students and older students. Paired samples T-test is…

A: The hypothesis in this scenario is that there is a difference in the frequency of complaints over…

Q: A certain drug is used to treat asthma. In a clinical trial of the drug, 16 of 264 treated subjects…

A: We have given thatn = 264x = 16p̂ = x/n = 16/264 = 0.0606Significance level (α) = 0.01 Claim: p &lt;…