46 75 40 64 Vehicles with functioning muffler ( 70 43 75 68 54 38 52 72 65 55 62 58 76 Average noise pollution (decibels) 38 50 32 53 36 27 35 49 30 35 42 52 46 32 34 36 43 39 40 30 Based on these results, what would be your prediction for the average noise pollution level (in decibels) for a city with 90% of its vehicles having a functioning muffler? Your response should address the following: the type of correlation between the percentage of vehicles with a functioning muffler and the average noise pollution level what you determine to be the equation of a line of fit for this data final calculations you made to determine your prediction

Q: Hi can you ansert d and e asap ty

A: The total number of male volunteers =808. The number of males, vaccine was given =328. The remaining…

Q: Consider the random variable X which has the pdf k(1-x) for 0<x< 1; fx(x) = 10 otherwise. (a) Find…

A: Since the total area (probability) under a PDF is 1, therefore:…

Q: Find the indicated area under the standard normal curve. Between z = - 1.03 and z = 1.03

A: X~N( 0 , 1 )   μ=0 , ?=1 (for standard normal distribution)   Z-score =( x - μ )/?

Q: Test whether people with a specific genetic marker are more likely to have suffered from clinical…

A: 40% of the 40 people in a sample with the genetic marker; 12% of the 775 people in the sample…

Q: f we have one independent variable with three levels, and one dependent variable, we need to use a…

A: If we have one independent variable with three levels and one dependent variable, we need to use a…

Q: A researcher thinks over 47% of the cars through an intersection are white. She records cars for an…

A: From the provided information, A researcher thinks over 47% of the cars through an intersection are…

Q: Use the fair division method to solve the following problems. 1. Five friends purchase a strawberry…

A: Five friends purchase a strawberry cake and a red velvet cake to share. Each cake is $30. The 5…

Q: Linear Regression ID Verbal ✓ Model Builder Predictors Age Gender Dependent Variable Math Covariates…

A: Regression output is given.

Q: NT #2 You wish to test if the proportion of adults in a small town who are fully vaccinated differs…

A:

Q: 4. You are given the following probability table. The value of X is how many limbs are injured on a…

A: 4) Answer:- Given Probability table is,  x 0 1 2 3 4 P(X=x) 0.2 0.3 0.1 0.3 0.1 Using…

Q: Find the p-value for the hypothesis test. A random sample of size 53 is taken. The sample has a mean…

A: sample size(n)=53Mean(x)=424standard deviation(s)=83The null and alternative hypothesis…

Q: Twelve jurors are randomly selected from a population of 3million residents. Of these 3 million​…

A:

Q: Create a side-by-side boxplot for vitamin D level vs. NewAge and a side- by-side boxplot for vitamin…

A: Vitamin D is an important nutrient that is essential for healthy bones and teeth, as well as a…

Q: 6) Two sportswriters (Arnold and Barbara) have ranked 10 Olympic sports according to how interesting…

A: To calculate the Spearman correlation, we use the formula: ρ = 1 - (6 * Σd2 ) / (n * (n2 - 1)) where…

Q: After being hired as a financial advisor for a large real estate company, you have been tasked with…

A: Consider the given data: Random Sample Property Taxes Size 1 18229 1890 2 43988 5665 3…

Q: When students use the bus from their dorms, they have an average commute time of 8.263 minutes with…

A: Mean=M=8.263, Standard deviation=S=2.9321 P(X&gt;a)=75.67%

Q: A forester is studying the average basal area of a particular species of pine tree in the Pisgah…

A: The random variable X is the basal area of the pine tree It is normally distributed. The sample mean…

Q: A personnel manager has found that, historically, the scores on aptitude tests given to applicants…

A: Answer  Sample size [n] = 11 Sample mean =[x] =70.76 Standard deviation =24.09 Confidence interval =…

Q: Find the indicated IQ score. The graph to the right depicts IQ scores of adults, and those scores…

A: Let , random variable X be the IQ score  The random variable X follows Normal distribution with mean…

Q: A19 Assume we have observed independent samples ₁,..., 5 and 9₁, 913. The sample averages are = 12.8…

A:

Q: How many t-tests would we need to run to determine if there is a difference in treatment means for…

A: Asking about  How many t tests need to be run to determine the difference in treatment means

Q: Assume that adults have IQ scores that are normally distributed with a mean of μ = 100 and a…

A: X follows normal distribution with mean 100 and standard deviation 15

Q: The necessary value for z Sample 1 Sample 2 n₁ = 400 n₂ = 300 P1 = 0.56 P₂ = 0.41 Substitute these…

A: The sample size for sample 1 is 400, sample proportion is 0.56 and sample size for sample 2 is 300,…

Q: A survey across generations of workers gathered data on engagement at work. The results for a sample…

A: Null hypothesis: Alternative hypothesis:

Q: a. Verify that this table is a valid probability distribution function. b. What is the probably that…

A: Here given probability distribution of random variable X . X = no of limbs are injured

Q: For each of the following experiments, state the sample space S. (Please explain) a. A pair of dice…

A: When a pair of dice is rolled, the outcome is determined by the numbers showing on the top faces of…

Q: he curve corresponding to this probability Left of a value -2 -1 Click and drag the arrows to adjust…

A: X~N( 0 , 1 )   μ=0 , ?=1 (for standard normal distribution)   Z-score =( x - μ )/?

Q: Say that the probability that someone has a wireless mouse for their computer is 0.4 and the…

A: Let the event A denote someone having a wireless mouse and event B denote someone having a wireless…

Q: The upper tail area for the test statistic z = 2.13 was found to be 0.0166. To find the p-value…

A: Test statistic, z=2.13 Upper tail area, Pz&gt;2.13=0.0166

Q: Use the Standard Normal Table or technology to find the -score that corresponds to the following…

A: According to the given information in this question We need to find the cumulative area correspond…

Q: in a new fiber-optic communication system, transmission errors occur at the rate of 1.5 per ten…

A: The random variable X is the number of transmission errors that occur in fiber optic communication…

Q: Assume a member is selected at random from the population represented by the graph. Find the…

A:

Q: The cost of weddings in the United States has skyrocketed in recent years. As a result, many couples…

A: From the provided information, Sample size (n) = 8 The claim is that the mean wedding cost is less…

Q: Which of the following are assumptions of ANOVA? Random sample Independent variable(s) are…

A: The assumptions of ANOVA are: The dependent variable is continuous, meaning that it takes on a…

Q: An epidemiologist is worried about the prevalence of the flu in East Vancouver and the potential…

A: Sample of size n=334 people with favourable number of people had flu x=31 Then the proportion of…

Q: Suppose P(A) = 0.48 and P(B) = 0.62. Can A and B be mutually exclusive? Why or why not.

A: We know that, mutually exclusive events are  events which can not happen at the same time.

Q: A binomial probability  experiment is conducted with the given parameters. Use technology to find…

A: Given that n=8 p=0.6 P(X&lt;4)=?

Q: the Stanley Cup playoffs in professional hockey is a seven-game series, where the first team to win…

A: Since the two teams are evenly matched, the probability of either team winning a game is 0.5. We can…

Q: onsider a 30-year fixed-rate home loan of $406,500 with an interest rate of 5.125%. What is the…

A: Given,  P = Loan Amount = $406,500 r = Periodic Interest rate = 5.125%/12 = 0.0043% n= no of periods…

Q: 2. A producer of outdoor clothing used a focus group to obtain information about the demand for…

A: Price (x) Demand (y) 100 23 90 31 80 40 70 44 60 48 50 60

Q: d. If a new CIS graduate has a salary of $58,000, what percentile are they in? e. Find the 40th…

A: Note: Hi! Thank you for the question, As per the honor code, we are allowed to answer three…

Q: Assume the random variable x is normally distributed with mean = 90 and standard deviation a = 4.…

A: Assume the random variable x is normally distributed with mean = 90 and standard deviation a = 4.…

Q: The director of admissions at a state college is interested in seeing if admissions status​…

A: The variable admissions status​ contains admitted, waiting​ list, denied​ admission and the variable…

Q: The following are airborne times (in minutes) for 10 randomly selected flights from San Francisco to…

A: We have given the following are airborne times (in minutes) for 10 randomly selected flights from…

Q: The sample mean for the cost to remodel a kitchen was found to be x₁ = 22.4. A table like the one…

A: The sample mean is; x¯=22.4.

Q: Exercise 21. Assume that we have observed paired data 1,...,n and y₁,..., yn, and we want to…

A: The OLSE states that the error is minimized by minimizing the sum of squares of error term. S =…

Q: X1 17.9 22.8 There were 10 kitchens in the sample, so n₁ = 224 dollars. = 22.4 24.6 n1 27.2 + 18.4…

A: There were 10 kitchens in the sample.

Q: The Health Care Cost Institute tracks health care expenditures for beneficiaries under the age of 65…

A: The data for the total annual cost and employee out-of-pocket is given.

Q: Pet Place sells pet food and supplies including a popular bailed hay for horses. When the stock of…

A: X~N(mean μ=15, standard deviations σ=6) P(X&gt;20)=?

Q: Assume a significance level of a = 0.05 and Original claim: More than 46% of adults would erase all…

A: Original claim: More than 46% of adults would erase all of their personal information online if they…