The lengths of adult males' hands are normally distributed with mean 193 mm and standard deviation is 7.2 mm. Suppose that 45 individuals are randomly chosen. Round all answers to 4 where possible. a. What is the distribution of I? - N b. For the group of 45, find the probability that the average hand length is more than 195. c. Find the third quartile for the average adult male hand length for this sample size.

Q: The printing machine consists of three parts A, B, C. The Probability of part A failure is 0.1. The…

A: Given,

Q: The amount of time that people spend at Grover Hot Springs is normally distributed with a mean of 71…

A: Mean=71, Standard deviation=15Note: According to bartelby question answer guidelines an expert can…

Q: The stem-and-leaf plot illustrates the average number of text messages per hour sent by teenagers…

A: Given stem-and-leaf plot illustrates the average number of text messages per hour sent by…

Q: 1) A restaurant chain claims that 15% of its customers are vegetarians, 40% are omnivores, and 45%…

A: Given data:Dietary PreferenceObserved FrequencyVegetarian40Omnivore100Pescatarian110Total250The…

Q: A researcher is using a repeated-measures study to evaluate the difference between two treatments.…

A: A researcher is using a repeated-measures study to evaluate the difference between two treatments.…

Q: Let X have a Poisson distribution with Ax = 2. Let Y have a Poisson distribution with Ay = 3.…

A: Let have a Poisson distribution with . and Let  have a Poisson distribution with .The PMF of of…

Q: Mortality from a certain disease is modeled by a select and ultimate table with a three-year select…

A: Given the model of the mortality from certain disease as…

Q: A simple random sample of 50 items from a population with ? = 6 resulted in a sample mean of 36.…

A: It is defined as a random sample of observations drawn from the population.The larger the sample…

Q: Q7 Which of the following statements are true? (More than one option may be correct.) Answer Options…

A: Consider the given statements:1. TSS (Total Sum of Squares) is defined as the sum of all squared…

Q: What is the difference between discrete and continuous probability distributions. How do you think…

A: Discrete and continuous probability distributions are two fundamental concepts in probability theory…

Q: Describe in detail how you would select your simple random sample.

A: The given information is:-Suppose you have 113 friends on Facebook and you want to choose a simple…

Q: The regression equation is Y = + i X.

A: Here given values of X and Y in pair.Use excel analysis tool for generating regression line's slope…

Q: How would you report the results?   Group of answer choices   1. The derived t = 0.74 was not…

A: The hypothesis is an assumption that is being tested.

Q: 3. We are given the following bivariate density function : 1 f(x, y) = y -x +x; where 0<x< 1 and 0…

A: Given the bivariate pdf To check if the given pdf is actually a pdf or not.If it is a pdf then find…

Q: Suppose that the duration of a particular type of criminal trial is known to be normally distributed…

A: Mean()=21standard deviation()=5

Q: Consider three variables X,Y and Z where X and Z are positively correlated, and Y and Z are…

A: Corr(X,Z)&gt;0, Corr(Y,Z)&gt;0

Q: Use the given minimum and maximum data entries, and the number of classes, to find the class width,…

A: minimum 9,maximum = 92, k=6 classes

Q: The assets (in billions of dollars) of the four wealthiest people in a particular country are 41;…

A: sample 1sample 2mean = (sample 1 +sample 2)/24141(41+41)/2 =…

Q: Here is a data set: 430 584 450 343 458 737 498 265 665 412 643 466 356 338 644 599 466 577 495 436…

A: Given data : { 430 ,584 ,450 ,343 ,458 ,737 ,498 ,265 ,665 ,412 ,643 ,466 ,356 ,338 ,644 ,599 ,466…

Q: A normal distribution has a mean of µ-32 with a-4. What score separates the highest 40% of the…

A: Suppose the variable of interest is x.

Q: Jump to level 1 The mean voltage and standard deviation of 17 batteries from each manufacturer were…

A: n1=n2=17X1¯=106,X2¯=103,s1=5,s2=1

Q: study is published with information about ages of people in a particular region. A sample of five…

A: Note: Only part(a) is given Data X: 8528138412We have given the data we have to find the range

Q: For the exponential distribution with parameter 3, what is P(1≤X≤2)?

A: For the exponential distribution with parameter 3.X~Exp(λ=3)

Q: What percentage of organs weighs less than 250 grams or more than 350 grams in a bell-shaped…

A: mean=μ=300, σ=sd=50X~N(300, 50)P(X&lt;250or X&gt;350)=?

Q: Imagine you are the CEO of a small group of clothing stores and you are planning an expansion You'd…

A: Consider the given information: AverageStore 1Store 2Store 3New StoreSales 323.6234.6308.3Number…

Q: a worker aged 55 plus to find a job. The data on number of weeks spent searching for a job is given…

A: We have given that a research group reported on the number of weeks it takes a worker aged 55 plus…

Q: Mary is a good student. The probability that she studies and passes her test is 3/5. If the…

A: Given, The probability that she studies and passes her test is, P(studies and passes) = 3/5.The…

Q: Sopose you have 113 friends on facebook and you want to chose a simple random sample of 20 of them.…

A: Here the given information is:-Sopose you have 113 friends on facebook and you want to chose a…

Q: Part: 1/5 Part 2 of 5 Find the critical value. Round the answer to two decimal places. The critical…

A: F - test is used test, wheather the variances or (standard deviations) among the two groups are…

Q: In an analysis of variance, which of the following is determined by the size of the sample mean…

A: It is required to identify the quantity that is determined by the size of the sample mean…

Q: Suppose that a computer chip company has just shipped 10,000 computer chips to a computer company.…

A: given data 50 defective out of total 10000 chips. select two at random  (A) p(both defective) = ?(b)…

Q: Let X₁, X2, X, be normal random variables with mean and variance 2. What are the method of moments…

A: X~N(μ,σ2)

Q: Consider the following hypotheses. Ho: p≤0.25 H₁:p>0.25 Given that p=0.3, n = 110, and α = 0.05,…

A: p-cap=0.30n=110alpha=0.05

Q: d. Find the Inter Quartile Range (IQR) for time spent at the hot springs. Q1: minutes Q3: minutes…

A: μ=71,σ=15

Q: The following data represent the pulse rates (beats per minute) of nine students enrolled in a…

A: 79,86,84,86,69,86,75,78,88We will find the population mean.

Q: My(t) = 0.4e-¹ + 0.1 +0.5et Determine the probability that Y is equal to 0. Compute the variance of…

A: It is given that a discrete random variable Y has the moment generating function is:(t) = 0.4e-t +…

Q: How does the difference between fe and fo influence the outcome of a chi-square test? Question 27…

A: The objective is to interpret how the difference between fe and fo influences the Chi-square…

Q: What quantitative rule may be used to determine univariate outliers, and are there situations in…

A: Outliers are the observations that are far from all of the other observations in the data set.The…

Q: 5 3 N 2 1 2 3 4 5 6 4 1 (a) Find the interval(s) on which fis increasing. (Enter your answer using…

A:

Q: patient is cured within 3 days, what is the probability that they are from Group A? What is the…

A: Contingency table.Group AGroup BTotalWithin 1 to 38619105Within 4 to 7167995Total10298200Note:…

Q: Suppose the average size of a new house built in a certain county in 2014 was 2,272 square feet. A…

A: Given that Sample size n = 25Sample mean = 2192Sample standard deviation (s) = 227

Q: 6.4.2 Using the data from Exercise 6.1.14 on swim times, a. Find the median and quartiles for the…

A: Data60.3949.9353.451.8250.4651.3450.2850.1952.1450.5652.7250.9549.7449.1652.5752.5352.0952.449.7554.…

Q: t tab caps lock contral Current Attempt in Progress esc 1 mean = standard deviation= eTextbook and…

A:

Q: A researcher is studying psychological factors in athletic achievement among teenage boys. One…

A: Based on the given information:The researchers are studying psychological factors in athletic…

Q: If two samples are selected from the same population, under what circumstances will the two samples…

A: Suppose two samples are drawn from sample populations.

Q: students are listed below. Find the mean, median, and mode of the data, if possible. If any measure…

A: It is given that the data set is9, 9, 12, 12, 9, 8, 8, 8, 10, 8, 8, 8, 11

Q: The rate of failure in a year for a microSD card is 14%. if you have the same material backed up to…

A: Let p be the probability of failure rate n be the sample sizen=3, p=0.14

Q: Southerly Showtime Movie Theaters, Inc. owns and operates a chain of cinemas in several markets in…

A: MarketWeekly Gross Revenue ($100s)Television Advertising ($100s)Newspaper Advertising ($100s)Market…

Q: ne year Terry had the lowest ERA (eamed-run average, mean number of runs yielded per nine inhings…

A: According to the given information in this question we need to find the z scores of both

Q: A statistic center compiles data on the length of stay by patients in​ short-term hospitals. A…

A: Data given 24,5,6,15,3,16,49,21,23,14,13,6,14,1,10,21,6,11,12,15,21