Describe the distribution of the histogram. Number of states 14 12 10 80 4 T 2 0 20 24 28 32 Percent of women over age 15 who never married 36 40 44 48 52

Q: In a random sample of 1000 B.Com students, 125 said that they wanted to become Statisticians. Assume…

A:

Q: Question 7 The following plots have been obtained for a time series. a) Suggest an appropriate ARIMA…

A: Given Information: Consider the given outputs obtained from R.

Q: QUESTION 4 An IT company employs 16 Computer Engineers, 23 Software Engineers and 22 Network…

A: 16 computer engineers 23 software engineers 22 network engineers ______________________________ 61…

Q: 1.Answer by true or false by justifying your reasoning A) The analysis of data from a distribution…

A: In the given problem we have to answer the given questions by true or false.

Q: Determine the range of the following data:   13,32,31,21,24,36,43,67,64,58,62,63,72,83,52,69,81,77

A: Given data(x): 13,32,31,21,24,36,43,67,64,58,62,63,72,83,52,69,81,77

Q: Question 1 Consider a discrete Sample Space S we know that S = {A, B, C, D) and that events, A, B,…

A: We have given the  discrete  sample  space  S= {A, B, C, D} Probability density function on s. P(A)…

Q: Data collected on the discharge of the Colorado River and the speed are given in the table:…

A: mean of x X=sum/n X=183.3/10 X=18.34 Mean of y Y=158.79/10=15.879

Q: 3) After 12 months of follow-up, you get the results of the study as fo Paralysis No paralysis Total…

A: Paralysis No Paralysis Total MightyMed Group 15 45 60 Placebo Group 25 35 60

Q: The ages of a group of  153 randomly selected adult females have a standard deviation of  16.3…

A: The population standard deviation is 16.3, and confidence level is 90%.

Q: Assume that z-scores are normally distributed with a mean of 0 and a standard deviation of 1. If P(-…

A: The question is about std. normal distribution Given : z ~N ( 0, 1 ) P ( -b < z < b ) = 0.9008…

Q: The mean attention span for a ten-year-old in the USA is 19.10 minutes with a standard deviation of…

A: Given that  Level of significance =alpha =0.05

Q: Question 1 The personnel manager of a large insurance company wishes to evaluate the effectiveness…

A: Given data: A B C D 66 72 61 63 74 51 60 61 82 59 57 76 75 62 60 84 97 64 55 65 87 78…

Q: The following table gives the U.S. national debt for selected years from 1900 to 2013. U.S. Debt ($…

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Q: Engineers must consider the breadths of heads when designing helmets. The company researchers have…

A: GivenMean(μ)=6.1standard deviation(σ)=1.6

Q: The lengths of adult males' hands are normally distributed with mean 191 mm and standard deviation…

A: Given,mean(μ)=191Standard deviation(σ)=7.1sample size(n)=50

Q: 36. Over the last three years, a portfolio manager investing in large cap stocks had an average…

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Q: Suppose a certain retailer sells several models of refrigerators. A random sample of the models sold…

A: Please note that as per our guidelines if there are multiple subparts in a question we can answer…

Q: When randomly selecting a card from a deck with replacement, are we equally likely to select a…

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Q: How many ways can a jury of four men and three women be selected from twelve men and ten women?…

A: How many ways can a jury of four men and three women be selected from twelve men and ten women.

Q: An ROTC officer wanted to measure how many pushups his cadets are able to do in 1 minute in order to…

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Q: A professional basketball player typically attempts 8 free throws per game. Let X represent the…

A: Find the related table and calculate the varaince.

Q: 1. Ryan receives annual payments that begin with the first payment of $50 today. Each subsequent…

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Q: Given that Practice q 88. 129 s² = 100, s²=81, Σ(x − x)(y- y) = 480 and n=8, the slope of the…

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Q: 11,954 tosses of the pig die, the pig landed on its back 2677 times. We will construct a 95%…

A: Given that  Sample size n =11954 Favorable cases x =2677 NOTE:- According to bartleby guidelines…

Q: Ho: H₁: Degrees of freedom: Rejection region: Test statistic: Decision: Conclusion:

A:

Q: b) A bag contains 10 cards, of which 2 are marked two, 1 is marked three, 4 are marked four and 3…

A: b) Given that Number of cards with number 2 is 2. Number of cards with number 3 is 1. Number of…

Q: To help students improve their reading, a school district decides to implement a reading program. It…

A: The mean is 121.2 and standard deviation is 23.

Q: Suppose xx is a normally distributed random variable with μ=8.9μ=8.9 and σ=3.9σ=3.9. Find each of…

A: As per our guidelines we are supposed to answer only 3 sub-parts of any questions so i am solving…

Q: 1. Examine the data set below that represents a sample. F.) the first, second and third quartiles;…

A: We have given the following  data   88,86,47,66,60,77,42,57,40,50,80,88,51,58, 40,87,45,40,67,83…

Q: A manufacturing machine has a 5% defect rate. If 9 items are chosen at random, what is the…

A: Given that Sample size =9 Probability of defect rate =0.05  We have to find Probability that atleast…

Q: 19. It is well known, and scientifically documented, that yawning is contagious. When we see some-…

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Q: An ROTC officer wanted to measure how many pushups his cadets are able to do in 1 minute in order to…

A: First we arrange the data in ascending order so it would be easy to count the frequency for every…

Q: An IQ test is designed so that the mean is 100 and the standard deviation is 21 for the population…

A: given data  normal distribution σ = 2195% ci for μE = 5n= ?

Q: 785?module_item_id=965498 You do a study of hypnotherapy to determine how effective it is in…

A: It is given that  The 95% confidence interval is  C.I. = ( 7.60, 8.50 )

Q: Please use the accompanying Excel data set or accompanying Text file data set when completing the…

A: (1).First we calculate sample standard deviation for the above data set:

Q: Exercise 11. High School Dropout Rate The data show the high school dropout rate for students for…

A: The question is about time series analysis Given :   To find : Construct time series graph and…

Q: In a random sample of 250 younger bank clients, 140 used online banking, and in a random sample of…

A: It is given that  Younger bank clients: X1 = 140 n1 = 250 Older bank clients: X2 = 126 n2 = 300

Q: An official from the Directorate General of Taxes is of the opinion that the proportion of taxpayers…

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Q: An article in Medicine and Science in Sports and Exercise "Maximal Leg-Strength Training Improves…

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Q: petri dish can has an average of 2.5 per cm2 . i. Define the variable of interest for this scenario.…

A: It is given that the number of bacterial colonies on a petri dish can has an average of 2.5 per cm2.…

Q: How much does the predicted home value increases if the school rating increases by 1 from 9?…

A: Given : School rating and corresponding Home value : As school rating increasing, Home value also…

Q: 2. The VP for Academic Affairs of the University of Pangasinan wished to understand the distribution…

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Q: The graph illustrates a normal distribution for the prices paid for a particular model of HD…

A: As per our guidelines we are suppose to answer only three sub parts. Given,mean(μ)=1800standard…

Q: A pharmaceutical company makes tranquilizers. We wish to find the 89% confidence interval. It is…

A: Data given…

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: a) A college principal decides to consult the students about a proposed change in the time of…

A: Given that Total student are 80 of which 57 are favoure of change then 23 are not favoure Proportion…

Q: sample mean X and sample variance S², that is distribution of the statistics of samples. Example…

A:

Q: Belief in Haunted Places A random sample of 285 college students were asked if they believed that…

A: Given,n=285x=106p^=xnp^=106285=0.37191-p^=1-0.3719=0.6281α=1-0.95=0.05α2=0.025Z0.025=1.960

Q: An article in Medicine and Science in Sports and Exercise "Electrostimulation Training Effects on…

A: Given data issmple size(n)=30standard deviation(s)=0.09confidence level=90%

Q: construct 5 example problems with solution using discrete probability distribution

A: Given information: It is required to construct 5 example problems with solution using discrete…