Use z scores to compare the given values.   The tallest living man at one time had a height of 258 cm. The shortest living man at that time had a height of 76.5 cm. Heights of men at that time had a mean of 174.79 cm and a standard deviation of 7.78 cm. Which of these two men had the height that was more​ extreme?

Q: 6. Production lines in a manufacturing plant are set to make steel ball bearings with a diameter of…

A: a) 95% confidence interval for the difference between the mean diameters of ball bearings from the…

Q: would the z score for the .30 be .6480?

A: Here's we have find the z-score for 30% percentile For this i am solving part (b) for better…

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 18.6…

A: Suppose the random variable x defines the length of the items.

Q: 3. Suppose that Y₁, Y₂... Ym and X₁, X2, Xm are independent normally distributed random samples from…

A:

Q: using that data above, please determine limit of correlation coefficient value prove the…

A: 1. Limit of correlation coefficient: X Y X^2 Y^2 XY 22 18 484 324 396 15 16 225 256 240 9…

Q: The following table shows the annual returns (in percent) for the Fidelity Latin America Fund and…

A: Given data: Latin America Canada -10.37 -14.29 40.56 25.78 -20.57 4.39 -15.6 26.91 2.61…

Q: Pr(A) := lim n→∞ |An [1, n]| n exists and Pr(A) = {0, 1] that that F is an algebra (which is to say…

A:

Q: Suppose that 4₁, 4₂. Y is Sample of Where a random. From Gamma (x=3₁B=0) is not known • Check…

A:

Q: Claim: Most adults would not erase all of their personal information online if they could. A…

A: Hypothesis test are used to compare the sample taken from the population or not. It has two…

Q: GMAT = 172.4 + 78.9 GPA + 0.230 SATM + 0.110 SATV   Where  GMAT = student’s score on the GMAT, GPA…

A: Here given that there is a equation to calculate the GMAT score.  GMAT = 172.4 + 78.9 GPA + 0.230…

Q: Let X be a random variable defined by the density function COS 10 (1) 8 0, fx(x) = {16 x, -4≤x≤4…

A:

Q: 4.2.9. Let X₁, X2,..., X9 be a random sample of size 9 from a distribution that is N(μ, 0²). (a) Ifo…

A: Given: Let X1, X2,.....X9 be a random sample of size 9 from a distribution that is Normal with mean…

Q: 2. A local college wanted to know if there is any relationship between grades as a high school…

A: Correlation coefficient is given by, r= (n(Σxy) -Σx*Σy)/√(nΣx2 -(Σx)2)(nΣy2-(Σy)2) Let X represents…

Q: Households are randomly selected and partitioned into groups of four. For those groups, the random…

A: Let x: the number of households with a printer.and we know, x P(x) 0 0.026 1 0.142 2 0.339…

Q: You scored a 85 on a stats test with a mean of 70 and a standard deviation of 7. You also score a 90…

A:

Q: The test statistic of z= -1.90 is obtained when testing the claim that p <0.68. a. Using a…

A: given data  Z = -1.90 claim : p&lt;0.68 α = 0.01 ∴ H0 : p = 0.68     Ha : p &lt;  0.68

Q: Evaluate the following: r (4)r re 1- 2- 61 (5.66) sr (0.66)

A: We know;  Γ(n) = (n-1)! =(n-1).(n-2).....3.2.1 = (n-1) Γ(n-1)

Q: fx(x): (Cx(1-x), 00

A: The probability density function is given; f(x)=Cx(1-x)     0≤x≤10                   elsewhere

Q: . Find the median of these numbers: 4, 2, 7, 4, 3.

A: We have given that,  The data set are : 4, 2, 7, 4, 3 Then,  We will find the Median (M) = ?

Q: 1. Let Y₁, Y2, Y3, Y4, Ys be a random sample of size 5 from a standard normal population. Find the…

A: Given Yi~ standard normal distribution ; i=1,2,3,4,5  Y1,Y2,..Y5 are random sample  Which means…

Q: 2. Two samples are randomly selected from two groups of students who have been taught using…

A: Given: x¯1=84x¯2=86s12=64s22=81n1=36n2=45 Here we assume sample variances are same. Thus we use…

Q: steps thesis 1) An experimental study was conducted on the effect of modular materials in English.…

A: Given: Sample size(n)=20 Pre test (x1) Post test (x2) d=x2-x1 ( d-4.55)^2 20 23 3 2.4025 30…

Q: ine the pie chart below and then answer the questions that follow. a) The “Neutral” section of the…

A: Given, Total Number of students (N) in a class  = 60 The % of students who like Math = 30% The % of…

Q: It is believed that 22.81% of U.S. homes have a direct satellite television receiver. How large a…

A: Suppose p is the true proportion of U.S. homes that have a direct satellite television receiver.

Q: A. Identify the actual number of respondents who ted them selves above average drivers. B Identify…

A:

Q: The data given to the right includes data from 39 candies, and 10 of them are red. The company that…

A: Given information: There are 39 candies and 10 are red. Let x=10 and n=39 sample proportion,…

Q: the answer must be in a form of fraction so 516 should be in form of fraction

A: Here, Events are independent because P(0)+P(1) +.... P(5)=1 For independent events  P(A or B) = P(A)…

Q: Medical researchers have developed a new artificial heart constructed primarily of titanium and…

A: Given that: Sample size, n=50 Population standard deviation, σ=0.2 Sample mean, x¯=4.05 Significance…

Q: Quarterly sales (in thousands of units) of a product over the last two years have been 26, 29, 30,…

A: The quarterly sales data is provided as follows:  Year Quarter 1 Quarter 2 Quarter 3 Quarter 4…

Q: ㅏ 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 data a Based on the boxplot above,…

A: The boxplot is given.

Q: Bob is a recent graduate of Industrial Engineering. During his job search, Bob compiled information…

A: Given, 20% of the companies have offices only in London. 40 companies have offices only in San…

Q: Two groups, X and Y of freshmen students, 28 in each group are paired for age and score on Form A of…

A: Data is given for two groups We have to test the null and alternative hypotheses at 0.10…

Q: HOMEWORK: #1 Given the distribution: CLASS 30-40 41-51 52-62 63-73 TOTAL Find the: F 15 4 12 13 44…

A: Class f x f*x cf 30-40 15 35 525 15 41-51 04 46 184 19 52-62 12 57 684 31 63-73 13 68 884 44…

Q: If a procedure meets all of the conditions of a binomial distribution except the number of trials is…

A: Given that  p = 0.12  , q = 1 - p = 1 - 0.12 = 0.88 p = The probability that someone is a universal…

Q: Font 6. Paragraph P Suppose that a random sample X is given by a probability density function (B-2),…

A:

Q: QL, Python, or Excel to analyze the data. Assume that we want to compare two clinicians, Smith and…

A: Strata Previous MI CHF Shock Clinician Previous MI Rate CHF Rate Shock Rate Probability Length of…

Q: A health clinic diagnosed 10 of its patients with high cholesterol level. He then 1 hem on the…

A: Q.2    Given, Patient  Before  After 1 300 295 2 293 195 3 304 220 4 217 198 5 275 200…

Q: re two methods of teaching. A lesson assess d of teaching. The results are shown below! Method A…

A: Question 2 :  Given, For Method A : sample size (n1) = 25 sample mean (x̄1) = 90 sample standard…

Q: Annual Cost of College. The increasing annual cost (including tuition, room, board, books, and fees)…

A: The following information has been provided: Private  Public 52.8 20.3 43.2 22 45 28.2…

Q: A job placement agency advertised that last year its clients, on average, had a starting salary of…

A: Solution Mean is equal to the average which is calculated by dividing the sum of all numbers by…

Q: a. Express the original claim in symbolic form. Let the parameter represent the adults that would…

A: It is given that  Claim: A majority of adults would erase all of their personal information online…

Q: In a study of abstract reasoning, a sample group of male female students scored as shown below on a…

A: Followings are the Explanation of the question  Use the two Sample Z test    Sample Mean X1¯=…

Q: A normally distributed random variable has a mean of 449. If a score of 433 lies two standard…

A: Given: μ=449 A score of 433 lies two standard deviations below the mean, it means that, μ-2σ=433

Q: On a tree diagram, the sum of the probabilities on a set of branches must equal 1. True False

A:

Q: 7.16 In 120 were ob Numi

A: Question 7.16 Given,

Q: Let Y₁, Y₂, Y3, Y₁, Ys and X₁, X₂, X, be independent and normally distributed random samples from…

A: Given that If P(X--Y-&gt;10)=0.02275 We have to find the value of k:

Q: 2) A teacher wants to compare two methods of teaching. A lesson assessment was prepared and given…

A: Given information: XA=90XB=87SA=4.1SB=4.1nA=25nB=28

Q: (c) Find the probability that more than two of them fail the test. The probability that more than…

A: 5% of the data fail the state emissions test; p=0.05 8 Automobiles are selected ;n=8

Q: A random sample of 37 adults had a sample mean height of 168 cms with a sample standard deviation of…

A: Here, x¯=168, s=10, and n=37.

Q: The values of Alabama building contracts (in millions of dollars) for a 12-month period follow. 230…

A: a) Given information: Month Y 1 230 2 360 3 230 4 250 5 270 6 320 7 230 8 300…