MATH STATISTICS Part 4. 1. Examine the data set below that represents a sample. B.) the median of the enéchantion; C.) the mode of the sample; D.) the minimum and maximum values; J.) the extent;

Q: In an effort to gauge how the​ country's population feels about the​ immigration, researchers…

A: Given data:   Non-Hispanic whites Blacks Hispanics Good thing 180 154 144 Bad thing 107 105…

Q: Compute P(8 trials needed) round your answer to the nearest thousandth

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Q: If one randomly selected runner is timed, find the probability that this runner's time will be…

A: It is given that  Mean, μ = 20 Standard deviation, σ = 2.3 Sample size, n = 9

Q: Question 30 After one year, out of 500 households in barangay Lalakbay, Mr.Alco discovered that the…

A: Given Information: Out of n=500 households, x=400 households use air condition units. Margin of…

Q: The television show Found has been successful for many years. That show recently had a share of 29,…

A: Solution: Here sample size=n=12 Probability of success=p=0.29 Here x ~BINOMIAL (n=12, p=0.29 )…

Q: Here are summary statistics for randomly selected weights of newborn​ girls:  n=186​, x=31.6 hg,…

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Q: A company has 500 employees of them 300 are male and 280 are married. Of the 300 males 190 are…

A: Given Information: A company has 500 employees Of which 300 are male and 280 are married. Of the 300…

Q: 4.34 Let X be a random variable with the following probability distribution: X f(x) -2 0.3 Find the…

A: E(X)=∑x.P(X)E(X2)=∑x2.P(X)Variance(σ2)=E(X2)-(E(X))2Standard deviation(σ)=E(X2)-(E(X))2

Q: Given below is the revenue that Tesco recorded ov location over the last five vears:

A: Year Number of stores UK & ROI Revenue Central Europe Revenue Tesco Bank Revenue Total Revenue…

Q: According to a recent survey, 87% of students say that they do not get enough sleep. Assume the…

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Q: 3. Consider a Exponential Distribution with parameter of 0.0025 i.e. Exp(0.0025) A. What are the…

A: Given  X~Expo(0.0025) λ=0.0025

Q: Calendar X Answered: A X sessment/showtest.php?action=skip&to=5 022 GRANT > Assessment (58) Headstro…

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Q: The mean incubation time of fertilized eggs is 19 days. Suppose the incubation times are…

A: The mean is 19 and standard deviation is 1.

Q: Use the given information to find the number of degrees of​ freedom, the critical values χ2L and…

A: Givensample size(n)=28standard deviation(s)=65.3Confidence level=90%

Q: Question 2. An engineer wants to determine how the weight of a car affects gas mileage. The…

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: Question 5 The following monthly sales of chocolate boxes (in thousands of AUS dollars) have been…

A: The given data for sales of chocolate boxes are given as follows: Month Sales (in thousands of…

Q: Construct a confidence interval of the population proportion at the given level of confidence.…

A: Given;n = 1200 x = 120confidence level 96%

Q: Let SAT denote US high school students' SAT (college entrance exam) score and hsize the size of the…

A: The defined regression model for estimating the SAT score using the size of the graduate class (in…

Q: You are interested in finding a 90% confidence interval for the mean number of visits for physical…

A: Given data : 18,20,21,6,24,22,221,11,10,17 N=10 Df = n-1 = 9 Mean = (18+20+...17)/10 = 17

Q: What is the probability of obtaining x=730

A: given data  N = 1000000 n = 1000 p = 0.76

Q: The population standard deviation for the height of high school basketball players is 3.0 inches. If…

A: As in the question specific distribution of height the population is not mentioned, we can generally…

Q: The average time to run the 5K fun run is 24 minutes and the standard deviation is 2.3 minutes. 11…

A: Given: mean(μ)=24 standard deviation(σ)=2.3 n=11

Q: 4.52 Random variables X and Y follow a joint distribution f(x, y) = = 2, 0< x≤y< 1, otherwise. 0,…

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Q: Find the area under the standard normal distribution curve between  =z −1.47  and  =z 1.34 .

A: It is needed to find the area under the standard normal distribution curve between z = –1.47 and z =…

Q: dollars spent per visit by customers of a food store, the manager has selected a random sample of…

A: Given that  Sample size n =100 Sample mean=45.67 Sample standard deviation =12.30

Q: A poll is given, showing 75% are in favor of a new building project. If 9 people are chosen at…

A: Given information- We have given a problem of the binomial distribution. We have given that a poll…

Q: The percentage of titanium in an alloy used in aerospace castings is measured in 51 randomly…

A: Givensample size(n)=51standard deviation(s)=0.34confidence level=95%

Q: Construct a relative frequency marginal distribution

A: from given data we have :   x1 x2 x3 y1 30 25 30 y2 30 15 50

Q: For Questions 11-13. The errors committed by the students when measuring a vertical pole using an…

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Q: Gabriella computes a 95% interval estimate of the mean performance of students in the MST class. She…

A: Solution: We will discuss about the margin of error for the 95% confidence interval and 99%…

Q: Question 8 Assume the mean useful life of a Caterpillar motor is 500,000 hours and is normally…

A: Given: Mean μ = 500,000 Standard deviation σ = 50,000 X = 605,000 Formula Used: Z-score = X-μσ

Q: ne particular professional association of investors conducts a weekly survey of its members to…

A: Given that  Sample size n =300 Sample proportion for bullish p^=38.2%=0.382 Sample proportion for…

Q: Seventy million pounds of trout are grown in the U.S. every year. Farm-raised trout contain an…

A: GivenMean(μ)=32standard deviation(σ)=8sample size(n)=34

Q: The mean score on a set of 23 tests is 76. Suppose two more students take the test and score 70 and…

A: given data n = 23 had mean of 76 . two more students take test and score 70 and 65. new mean  = ?

Q: A national polling organization conducted a survey asking people whether they would consider buying…

A: given data  x1 = 175n1  = 200x2 = 127n2 = 20095% ci for p1-p2. p^1 = x1n1 = 175200 = 0.8750p^2 =…

Q: Let us say we have sets/events A, B, and C (do not assume independence). Show that P(A \ B \ C) =…

A: Given: 3 events are given  A, B, C  Note: I am assuming that in place of (/ or \) their is…

Q: Reminder: If you have a Poisson Distribution with Parameter then its Probability Density Function is…

A: Given,A random variable X~Poisson(λ=1)P(X=x)=e-1(1)xx!   ;   x≥0

Q: Given the frequency distribution for the data, Age Frequency Relative Frequency [20,29] [30,39]…

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Q: 5.28 A manufacturer knows that on average 20% of the electric toasters produced require repairs…

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Q: construct 5 examples with solution using measures of central tendency ungrouped and grouped data

A: The three main measures of central tendency are Mean, Median and Mode.

Q: A basketball player is going to do a free throw 100 times at practice. They are interested in the…

A: Binary situation, that means either only two possibilities.

Q: Which of the following is true of subjective probability? A.) it is a measure of the frequency of a…

A: Introduction: It is required to choose the correct option regarding subjective probability.

Q: Company XYZ know that replacement times for the DVD players it produces are normally distributed…

A: given data normal distributionμ = 9.3σ = 1.6replace only 2.3% of dvd.warranty = ?

Q: Sandwich ata for the an McChicken Ⓒ Premium Grilled Chicken Classic Sandwich Premium Crispy Chicken…

A: We have given the following  data to find out Median and IQR 16,10,20,17,28,12,23,17,17,10,16,9,15,9

Q: How did you find that the math score = 0.715 verbal score + 103.25 ?

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Q: A random sample of 49 cans of soda is obtained and the contents are measured. The sample mean is…

A: From  given data we have : mean x=12.01 the standard deviation s=0.13 n=49

Q: Consider a Geometric Distribution G(0.271) Compute P(5 trials needed) round your answer to the…

A: Probability(p)= 0.271 No. of trials (x)= 5

Q: What proportion of male growth plates fuse between 16 and 17

A: Given that  μ = 18.5 Years  σ = 16 months = 16/12years=1.33 years.

Q: Bees flap their wings an average of 200 times per second with a standard deviation of 10.5 flaps per…

A: From the provided information, Mean (µ) = 200 Standard deviation (σ) = 10.5 X~N (200, 10.5) Sample…

Q: If a continuous random variable, X, follows a normal distribution with a mean of O and variance 4,…

A: The question is about normal distribution Introduction : Empirical rule : 1 ) Approximately  68 % of…