Calculate the 23th percentile of the data shown x 26.8 27.3 30.9 33 33.9 34.9 39.7 53.4 53.8 69.2

Q: need help with C

A: Let p be the population proportion of the people who wiggle their ears.Given that,Population…

Q: A lottery has a grand prize of $300,000, four runner-up prizes of $37,500 each, seven third-place…

A: The distribution of the prize amount is given as follows:Prize amount (in $)Number of prizes (or…

Q: How to calculate regression

A:

Q: A number of randomly selected heterosexual married couples were surveyed about their candidate…

A: This a test of chi -square independent test . In which,we haveHypothesis are Null hypothesis H0:…

Q: Let x be the number of successes observed in a sample of n = 5 items selected from a population of N…

A: The question is about discrete probability distribution.Given :No. of items in a population ( N ) =…

Q: In 1998, the average height of an adult male in South Africa was estimated to be 169 cm. Assume that…

A: Population mean (μ) = 169 cmPopulation standard deviation (σ) = 10 cm Sample size (n) = 50

Q: A fair six-Sided die is rolled. Let event A = the outcome is less that 4. Let event B= the outcome…

A: It is given that The sample space for roling a die isS = { 1, 2, 3, 4, 5, 6 }

Q: A fair six-Sided die is rolled. Let event A = the outcome is less that 1. Let event B = the outcome…

A: The question is about probability.Given :Event A : The outcomes is less than 4Event B : The outcome…

Q: What is the inter-quartile range for the following data? You must show work. 27, 29, 29, 30, 24, 25,…

A: From the provided information,The data values in ascending order are as follow:4, 8, 17, 23, 24, 25,…

Q: If P[X] =.25 and P[Y] = .80, which of the following inequalities must be true? I. P[XnX] ≤.25 II.…

A: Given data isP(x) = 0.25P(y) = 0.80We know that probability of the event cannot be greater than 1

Q: Based on a survey, 34% of likely voters would be willing to vote by internet instead of the…

A: P=34%=0.341-P=0.66n=15p(X=12) =?

Q: Justin records the speeds of vehicles moving past their house. The speed limit is 50 km/h. The mean…

A: It is given that x̄ = 43.3s = 5.2n = 50

Q: Red, Inc provides group term life insurance to all of its employees. Susan, a vice-president,…

A: Total Coverage Amount: This is the amount of life insurance coverage Susan received. In this case,…

Q: 1. Let X₁ and X₂ be the sample means from two independent samples, each of size n, from a common…

A: To find a bound for the probability P(||)∣>>σ/5​) using Chebyshev's inequality, we can start…

Q: A student plans to play basketball. Let event B = the student plays basketball. Let event S= it is…

A: From the provided information,

Q: Zombieland is one of SF's favourite movies. Tallahassee, a character, is obsessed with twinkies.…

A: Given thatYears Count 1-627-12313-18919-24625-30331-361We have to find the average and standard…

Q: particular location. The accompanying values were read from the plot. x7 12 14 17 23 30 40 47 55 67…

A: XY7412101413171423153025402747455538674672538471968211299127104

Q: In a study of how the environment affects spending, researchers varied the presence of music and…

A: The question is about measures.Given :To find :a ) Which group spent the most money in total if each…

Q: In a multiple-choice exam, there are 5 questions and 4 choices for each question (a, b, c, d). Jimmy…

A: ` Here given that in a multiple choice question, there are 5 questions and 4 choices for each…

Q: Ms. Maria Wilson is considering running for mayor of the town of Bear Gulch, Montana. Before…

A: sample size(n)=400x=300confidence level=99%

Q: Report the margin of error and the confidence interval.

A: Given is the data on past number of deaths for the month of September.

Q: Ten year old girls, the Mean is 54.4, the standard deviation 2.7, 95 percentile in height. How tall…

A: Let  be the height of ten year old girl.The mean: The standard deviation:

Q: What is the average number of errors per order? Do not round intermediate calculations. Round your…

A: Here the data is given on number of errors for sample size of 40.Sample size To find the average no.…

Q: Which of the following is not a continuous random variable?

A: Here use type of random variable. And for validity of function total probability always 1 .

Q: True or False: The Regression Sum of Squares can never be greater than the Total Sum of Squares.

A: True or False:The Regression Sum of Squares can never be greater than the Total Sum of Squares.

Q: A least squares regression line is f(x) = -3.19x + 123.63, r 0.59. The strength of the direction is:

A: Given that,R-squared

Q: Coin with random bias. You are given a coin but are not told what its bias (probability of heads)…

A: Given,HenceletHence

Q: The average number of accidents at controlled intersections per year is 4. Is this average a…

A: Given that:a) Hypothesiszed  population  meanμ0=4Sample mean x¯=4.5Sample standard deviation  s =…

Q: Assume that when human resource managers are randomly​ selected, 59​% say job applicants should…

A: Probability job applicants should follow up within two weeks(p)=0.59sample size(n)=8

Q: A New York Times article reported that a survey conducted in 2014 included 36,000 adults, wit…

A: Margin of error E=0.01p=0.5  (as this is the most conservative estimate)Z-score for 90%  confidence…

Q: Using the listed actress/actor ages in various years, a) find the equation of the regression line.…

A: The data is defined below as follows:  From the information, given that

Q: Allison has owned an interest in a company called John Enterprises (JE). During the same time,…

A: Given information:Let X be the return following normal distribution with average -3% and standard…

Q: Which choice best describes the p-value for the test of Ho: 31 (a) p> 0.100 (b) 0.050 < p ≤ 0.100…

A: The question is about regression.Given :To find :p value for

Q: satisfaction with BRT (y), safety on bus (x₁), seat ability (₂), dependability (x3), travel time…

A: The CUTR analysts used stepwise regression to model satisfaction with the Bus Rapid Transit (BRT)…

Q: You may need to use the appropriate appendix table or technology to answer this question. The…

A: Private collegesPublic…

Q: The following frequency distribution represents the number of shoes owned by college students. Use…

A: As per our guidelines we are supposed to answer only three subparts kindly post the remaining…

Q: 6. The US Community Survey is an ongoing survey that provides data every year to give communities…

A: The 2010 US Community Survey estimates that14.6% of Americans live below the poverty line.20.7%…

Q: Given the following hypotheses: Ho: P = 100 H₁: #100 A random sample of six resulted in the…

A: n=6, data given: 118,105,112,119,105,111

Q: Out of 250 applicants for a job, 140 are female and 30 are female and have a graduate degree. Step 2…

A: The formula of the conditional probability is defined as follows,Let A and B be any two events such…

Q: Let x be the number of successes observed in a sample of n = 6 items selected from a population of N…

A: Sample size(n)=6population size(N)=12Number of items considered as success(M)=7Let x be the number…

Q: Let x have a normal distribution with a mean of 30 and a standard deviation of 7. The z value for x…

A: The formula of the Z-score is,Where, X denotes the raw data point,µ denotes the population mean,σ…

Q: May manages a $10 billion dollar hedge fund and is paid based on her performance. Her management…

A: May manages a $10 Bn hedge fund.Loss upto $1 Bn will result in 0 bonus. Losses exceeding $1 Bn will…

Q: Bill Alther is a zoologist who studies Anna's hummingbird (Calypte anna).† Suppose that in a remote…

A: The question is about hypothesis testing.Given :Population standard deviation of the weight (  ) =…

Q: The recidivism rate for convicted sex offenders is 13%. A warden suspects that this percent is lower…

A: Given that the recidivism rate for convicted sex offenders is 13%. Of the 348 convicted sex…

Q: The number of hours of television watched per day by a sample of 28 people is given below: 4, 1, 5,…

A: Sample n = 28The number of hours of television watched per day by a sample is given…

Q: What is the value of EX-22 for the scores 2, 3, 5? O 4 6 9 10 08

A: We have given the scores as follows:235

Q: A researcher studies water clarity at the same location in a lake on the same dates during the…

A: This is an example of paired t-test.The hypothesis will be:H0: H1: Test statistic is t =…

Q: Remix Bob is playing a game by rolling, а fair die. If he rolls a '2. Bob win $200. If it is not a…

A: The game involves a fair die. For a rolled face of "2", $200 is won.For a rolled face of "not 2",…

Q: If the pediatrician wants to use height to predict head circumference, determine which variable is…

A: The data is given on the height and head circumference of 3-year-old children.Given that,Sample size…

Q: Seeds are often treated with a fungicide for protection in poor-draining, wet environments. In a…

A: Given that:Number of treated seeds (n) = 6Number of untreated seeds (m) = 7Number of seeds that…