Example 5 Obtain mode for the following frequency distribution. Wage: 5 6. 7 8. 9. 10 50 60 70 80 90 100 10 2 20 3 8 4 3 7 17 19 16 4

Q: yu+1 (0, elsewhere i) Derive the mean of Y. Show all necessary steps. ay (a-2)(a–1)²* ii) Show wheth...

A:

Q: (9) There are 300 questions on a multiple choice exam. For each question there are 5 choices to choo...

A: Given sample size(n)=300Each question has 5 choices and there is only one correct answerp=15=0.2x~Bi...

Q: 3. Five percent of the workers in a firm employing a total of 2000 men, 100 earn less than Rs 2.00 p...

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Q: In 2006 the mean weight of men was believed to be 86.8 kg. To test for an increase in the weight a r...

A: Given μ=86.8n=100x¯=88.7s=11.64

Q: a. Suppose you know that the marketer is a B2B marketer. What is the probability that he or she plan...

A: HERE use bayes theorem and given data of table for calculating probability  

Q: Problem 1. Let X ~ Gamma(a = 2, 0 = 2). Compute: (1) VaRo.975(X) (2) ex(9.488) (2) TL 1 TVeD (Y)

A: From the given information, X~Gamma(α=2, θ=2) fx=122Γ2x2-1e-x2, x>0      =14xe-x2, x>0 1. Form...

Q: the standard deviation of a sample of 50 observations equals 10. the variance of the sample equals? ...

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Q: A person drives for 200 kilometres at a speed of 30 k.p.h. He drives another 200 kilometres at a spe...

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Q: What is the pdf of the sum of two random variables each of which each is a gamma distribution with p...

A: Solution

Q: A binomial probability experiment is conducted with the given parameters. Compute the probability of...

A: According to the given information, we have Sample size, n = 9 Probability, p = 0.6

Q: . Approximate the probability of fewer than 350 errors in a month. 2. Approximate a value so that th...

A: Phoenix water is provided to approximately 1.4 million people who are served through more than 362,0...

Q: Breaking Strength of Steel Cable The average breaking strength of a certain brand of steel cable is ...

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Q: a) What is the probability that an executive speaks a foreign language? [Hint: use the joint probabi...

A: Given: 46% of executives travelled internationally or can speak foreign language. Probability that t...

Q: why is the decline in cohort quality overestimated in cross-sectional data?

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Q: Jhustine receives 84 or 85 as his grade on his four major subjects. Construct the sampling distribut...

A: Given that  Three major subjects have 84 or 85  We have to construct the sampling distribution of me...

Q: vepartment store gives in-service training to its salesmen which is followed by a test. It is consid...

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Q: Example 3 Calculate Mean Deviation from Mean and Mean Deviation from Median in the following data. 6...

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Q: An admissions director wants to estimate the mean age of all students enrolled at a college. The est...

A: Given: E=1.6CI=90%σ=1.8

Q: You wish to test the following claim (HaHa) at a significance level of α=0.05α=0.05.       Ho:μ=61....

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Q: Determine the covariance and correlation. Round your answers to four decimal places (e.g. 98.7654).

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Q: A certain type of thread is manufactured wen a mean tensile strength of 75.3 klograms and a standard...

A: For a derived population with mean (i.e., the mean tensile strength) μ and standard deviation (i.e.,...

Q: The test scores of 15 students are listed below. Find the 25th percentile of students' test scores. ...

A: Given information- We have given the test score of 15 students listed below. 40, 45, 50, 56, 58, 63,...

Q: ᴀɴ ᴇxᴘᴇʀɪᴍᴇɴᴛ ɪɴᴠᴏʟᴠᴇꜱ ᴛᴏꜱꜱɪɴɢ ꜰɪᴠᴇ ᴄᴏɪɴꜱ. ʜᴏᴡ ᴍᴀɴʏ ᴇʟᴇᴍᴇɴᴛꜱ ᴀʀᴇ ᴛʜᴇʀᴇ ɪɴ ᴛʜᴇ ᴅᴏᴍᴀɪɴ?

A:

Q: Match each step of the statistical process with what we do in each step. Step 1: Design the study. C...

A: Given : There are 5 steps Step 1. Design the study Step 2. Collect the data Step 3. Describe the dat...

Q: Problem 3 The time T, in days, that it takes you to hand in your homework has an erponetial distribu...

A: Given,f(t)=e-t; t>00; otherwise

Q: In 2006 the mean weight of men was believed to be 86.8 kg. To test for an increase in the weight a r...

A: Given : In 2006 the mean weight of men was believed to be 86.8  To test for an increase in the weigh...

Q: Given lo =90, perform a two-tailed t test with a 05 based on a sample ofN 4 scores with a mean of X ...

A: From the given information: hypothesized population mean (μ) = 90 Sample standard deviation (s) = 6....

Q: Calculate the first four moments about 30 for the following distribution and convert them into centr...

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Q: A manufacturer produces piston rings for automobile engines. It is known that the ring diameter is n...

A: Given information- Population standard deviation, σ = 0.01 mm Confidence interval = 0.99 Significanc...

Q: The time to complete a race is a latent or hidden variable for the ordinal variable for 1st, 2nd, an...

A: The objective is to state whether given statement is true or false.

Q: 1. Give below is the data on production of a company (in lakhs). Year: 1983 1984 1985 1986 1987 1988...

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Q: The following graph shows the average price of LCD TVs from 2005 until 2010. $1,800 $1,600 $1,400 $1...

A: We have given that an statement about to the graph. We need to find out that the correct choice.

Q: In a survey of 500 students in a university, 200 are enrolled in Math, 180 are enrolled in Chemistry...

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Q: The population mean and standard deviation are given below. Find the required probability and determ...

A: Let X be the random variable from normal distribution with mean (μ) =  23, standard deviation (σ) = ...

Q: 10. Suppose a simple random sample of 50 business travelers is selected and each traveler is asked t...

A: Solution: n= 50 Sample size  ∑x= 396x= ∑xn=39650=7.92  Sample mean ∑(x-x)2=179.68s =∑(x-x)2n-1s =179...

Q: The size of the left upper chamber of the heart is one measure of cardiovascular health. When the up...

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Q: Problem Solving A. Instructions: Determine if the following situations use as random or non-random s...

A: Disclaimer : “Since you have posted a question with multiple sub-parts, we will solve first three su...

Q: In a supermarket, one shelf can serve or take 5 tems per hour, Items are coming in the supermarket w...

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Q: Problem 1: Asking Embarrassing Questions, Politely When doing polling, for instance to figure out ho...

A: Given Information: Consider the experiment in which N people are asked whether or not they support a...

Q: The scores were obtained by 30 students in Preliminary Examination in MAT 3. Find the required score...

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Q: The test consist of 60 multiple-choice type of questions ranging over a wide variety of topic. The s...

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Q: The following are the scores secured by two batsmen I and E is a series of ten Example 4 innings bet...

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Q: Spearman's rank correlation coefficient w

A: Here use spearman rank correlation coefficient formula  Here give rank 1 to lowest value

Q: Calculate Coefficient of Concurrent Deviations from the data given below: No. of Workers: 300 350 40...

A: For the given concurrent variables we need to calculate the Coefficient  of Concurrent Deviations  f...

Q: You and your 4 other friends play 5 ranked games in Mobile legends every day for the past few months...

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Q: Determine the net  price of an article listed  at  $590 less  37.5%, 12.5%, and  8⅓%

A: Given: Gross price=$590 Net price=Gross Price1+ Tax percentage

Q: The mean values of both x and y are 1. However, the probability distribution for the second supplier...

A: Given: x P(x) y P(y) 0 0.4 0 0.2 1 0.3 1 0.6 2 0.2 2 0.2 3 0.1 3 0 4 0 4 0 EX=1EY=1

Q: A random sample of size n; - 13 is selected from a normal population with a mean of 75 and a standar...

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Q: Suppose the lengths of human pregnancies are normally distributed with μ=266days and σ=16 days. Comp...

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Q: Create a graph chart using in this situation: According to literacy in the country of OZ, youth lite...

A: For the given data set of youth employment in terms of percentage for the country of OZ, the bar cha...