(a) Which histogram is best described as bimodal? Histogram B (b) Which histogram is the closest to being bell-shaped? O Histogram A CHistogram B (c) Which histogram is skewed to the right the most? CHistogram A Histogram A Histogram C Histogram C Histogram C CHistogram B (d) Which histogram is the closest to being symmetric? Histogram A CHistogram B Histogram C X 3

Q: What are the differences between predictive, prescriptive, and descriptive analytics? Cite at least…

A: Predictive analytics, prescriptive analytics, and descriptive analytics are all different types of…

Q: 10. Suppose that an individual can either be susceptible to a disease or infected with the disease.…

A: Markov model for the system:     S        I   / \      / \  /   \    /   \ I(0.12) S(0.05)   \   /…

Q: Data concerning the expenditure for health care in the United States is shown in the table. Year…

A: Data :  Year (X) = independent variable Expenditure(Y) = dependent variable  Year Expenditure…

Q: Suppose that Hope, now retired, worked for 10 years in a retail shop, earning $18,000 per year, and…

A: Solution: From the given information, Hope worked for 10 years in a retail shop, earning $18,000 per…

Q: PROCESS A: "Driftless" geometric Brownian motion (GBM). "Driftless" means no "dt" term. So it's our…

A: For PROCESS A, the variance of the instantaneous return can be computed as follows:…

Q: 5 6 A bottler of drinking water fills plastic bottles with a mean volume of 994 milliliters (mL)…

A: Let X be the random variable from normal distribution with mean (μ) = 994 and standard deviation (σ)…

Q: The test statistic of z=2.12 is obtained when testing the claim that p > 0.3. a. Identify the…

A: Answer:- Given, The test statistic is, z = 2.12 Claim is, p > 0.3  Therefore, according to the…

Q: Claim: More than 4.6% of homes have only a landline telephone and no wireless phone. Sample data: A…

A: Given,sample size(n)=14,378sample proportion(p^)=0.0581Population proportion(P)=0.046

Q: Assume the random variable X is normally distributed with mean μ = 50 and standard deviation o=7.…

A: Given,mean(μ)=50standard deviation(σ)=7

Q: Suppose a simple random sample of size n =150 is obtained from a population whose size is N =15,000…

A: Given data: Random sample size: n = 150 Population size : N = 15000 population proportion : p = 0.8

Q: You will address a Decision Analysis problem as described below using the tools discussed in class,…

A: The information about AAA electronics is given.

Q: 1. The box and whisker plot shows the ages of people at a restaurant. 6 5 13 21 + 10 15 20 25 33 42…

A: The box and whisker plot of the ages of people at the restaurant is,

Q: Use the voting system [75: 50, 46, 35, 20, 3]. List all of the winning coalitions and critical…

A: Quota : It denote total number of votes needed to win  Quota = 75  Players : ( How much players take…

Q: 26. Job Interviews In a Harris poll of 514 human resource professionals, 45.9% said th body…

A: Null hypothesis: The proportion of human resource professionals who consider body piercings and…

Q: Forty-nine members of a bowling league sign up for a program that claims to improve bowling scores.…

A: Population mean µ = 0 Sample size n = 5 Standard deviation σ = 49 Sample mean x̅ = 5 Significance…

Q: different models of ergonomic pillow which helps to relief sore necks. It sells the delux and…

A: Step 1: Define the decision variables and objective function  Let x be the number of containers of…

Q: Use the central limit theorem to find the mean and standard error of the mean of the indicated…

A: Mean(µ) = 117Standard deviations (σ) = 39.4X ~ N (µ, σ )= N(201, 22) Sample size (n) = 15

Q: All answers must be typed and no image allowed The price for 2-eye Lasik surgery is normally…

A: A. The distribution of the price for 2-eye Lasik surgery is normal with mean μ = $4380 and standard…

Q: You have inherited a lottery ticket which might be a $10,000 winner. You have a 0.25 chance of…

A: You have inherited a lottery ticket which might be a $10,000 winner. You have a 0.25 chance of…

Q: 5. The total time (in hours) that a sample of 40 students studied for a statistics examination are…

A: Given observations are: 53, 72, 78, 85, 56, 71, 79, 86, 60, 74, 79, 87, 62, 74, 81, 87, 65, 75, 81,…

Q: A city expressway with four lanes in each direction was studied to see whether drivers preferred to…

A: Lane.     Count  1.            294 2.            276 3.            238 4.             192 We have to…

Q: > head(Student_data_BUS) X Record. Number Age Sex Aer Smk Caf Pr Rct Starting_Sal HRs.per.week Major…

A:

Q: The table below shows results from 10 replicate determinations of Cr in a single stainless steel…

A: Let X1 be the FAAS and X2 be the XRF. From the given information,

Q: If X is Normally distributed with a mean of 3 and a variance of 4, find P(|X - 3| > 1.6) to 2…

A:

Q: HIV It is estimated that in the United States, the proportion of people infected with the human…

A: 33. The proportion of people infected with human immunodeficiency virus is 0.00343. The sample of 50…

Q: A study compared the long-term results of two treatments: a modified Burch procedure, and a sling…

A: Suppose μ1, μ2 are the population mean maximum urethral closure pressure for Burch treatment group…

Q: Give the value of the test statistic. (Enter your answer rounded to two decim

A: Excel Procedure: Enter the data of No odor in column A. Enter the data of lavender in column B.…

Q: Assume that a randomly selected subject is given a bone density test. Those test scores are normally…

A: We have given that a randomly selected subject is given a bone density test. Population mean, µ = 0…

Q: If G is used to estimate γ and the expected value of G is γ , what can be said about G? Group of…

A: It is given that G is used to estimate gamma and the expected value of G is E(G)=γ

Q: The number of users of a certain website (in millions) from 2004 through 2011 follows. Year Period…

A: The given data set is:

Q: A population has a mean μ = 82 and a standard deviation = 24. Find the mean and standard deviation…

A: Given that the distribution is normal distribution. Mean = 82 Standard deviation = 24 Sample size =…

Q: (a) An experiment involves 30 participants. From these, a group of 4 participants is to be tested…

A: Hello! As you have posted 2 different questions, we are answering the first question. In case you…

Q: The director of the rabies control section in a city health department wishes to draw a sample from…

A:

Q: The data table contains waiting times of customers at a bank, where customers enter a single waiting…

A: claim is that  the standard deviation of waiting times is less than 1.1 minutessignificance…

Q: Copy and paste the following code to load the dataset for the next few questions into R: divorce <-…

A: R code: Data Table:   man woman divorce 7 53 No divorce 254 201

Q: For runners competing in a marathon, the mean time to run a mile is 4.2 minutes with a population…

A: The data is as follows: Population mean, μ=4.2 Population sd, σ=0.6 Sample size, n=31

Q: About 79​% of all female heart transplant patients will survive for at least 3 years. Seventy female…

A: P( female heart transplant patients will survive for at least 3 years) = p = 0.79sample size (n) =…

Q: 4 5 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 A B countrycode 1 ARG 2 AUS 3 AUT 4 BDI 5 BEL…

A: The given data is Per-capita real GDP in 1960(relative to the USA in 1960) Average per capita…

Q: The Golden Comet is a hybrid chicken that is prized for its high egg production rate and g…

A: i. The appropriate null and alternative hypotheses are:  Null hypothesis: The mean egg-laying rate…

Q: The purpose of a study was to determine the effectiveness of segmental wire fixation in athletes…

A: We have given gender JOA scores as follows: Female  Male 14 21 13 26 24 24 21 24 20 22…

Q: According to a recent report, 32.2% of American adults (aged 20 and older) are obese (The New York…

A: Hypothesis test are used to understand the population based on taking the sample using the…

Q: teams with 45 people in team A and 55 people in team B. a) If 20 of the people are mathematicians…

A: ) Since all the mathematicians are in team A, we only need to choose the remaining 25 members of…

Q: Input your data into two columns. Column one will contain the categorical variable (Type) and column…

A: The data frame is the format where we arranged the data in a tabular form. It is a type of…

Q: explain how to iton. graphing calculator

A: The mean and standard deviation height of men are 67.3 in. and 3.2 in. respectively.

Q: i. Construct a grouped frequency distribution table ii. Find the mean, median and mode of the…

A: The data is given of the no. of hours spent in the office. No. of employees (n) = 50 The given data…

Q: Which of these tests can examine categorical variables that have more than two groups? Binomial test…

A: Given that Which of these tests can examine categorical variables that have more than two groups?…

Q: a) How many students enjoy both acting and singing? b) How many students enjoy acting or enjoy…

A: Let D = a set of freshmen who enjoy dancing A = set of freshmen who enjoy acting S = set of freshmen…

Q: Suppose a simple random sample of size n=1000 is obtained from a population whose size is…

A: b) p = 0.72  n = 1000  Mean(µ) = np =1000*0.72 =720  Standard deviation (σ) = √[np(1-p)]…

Q: A new drug has been developed to cure Ebola. Before it can be used, we need to make sure that the…

A: The appropriate alpha value for the researchers to use would depend on the level of risk they are…

Q: 1 6.98 5₂ 4.53 . What is the point estimate of the difference between the two population means?…

A: Private colleges and public colleges' data were given