4. ACME ships widgets from two distribution centers Chicago and Houston. Its DC in Chicago ships 62.5% of all widgets, while its DC in Houston handles the rest. Of those widgets shipped from Chicago, 21% are delivered directly to the consumer. Of the widgets shipped from Houston, 48% are delivered directly to the consumer. What is the likelihood a randomly selected widget was shipped from Houston given it was delivered directly to the consumer?

Q: For the Bayesian network shown in the diagram, the data observed are given in the table. What is the…

A:

Q: The student council is hosting a drawing to raise money for scholarships. They are selling tickets…

A:

Q: The table summarizes results from pedestrian deaths that were caused by automobile accidents.…

A: Number of intoxicated pedestrian = 61 + 232…

Q: Use the given confidence interval to find the margin of error and the sample mean. (6.05,10.81) The…

A: The confidence interval is The objective is to find the mean and margin of error.

Q: The exam scores for a group of 780 students at Maquarie Gardens High School (MGHS) are normally…

A:

Q: If n=14, F(x-bar)=50, and s-6, find the margin of error at a 95% confidence level Give your answer…

A: n = 14Mean() = 50Sample standard deviation(s) = 6confidence level=95%

Q: Suppose you have borrowed $9800 for school expenses at 6% simple interest for 6 years.

A: we need to calculate the interest for each year and add it to the previous year's…

Q: A social scientist asked a random sample of 50 students, "How many friends do you have on your…

A: Given information:n= 50 observation k= 1 independent variables

Q: IV. In a 55-point exam, 55 students got the following scores. Class interval fx X fd d 16-21 22-27…

A: The question is about frequency distributionGiven :To find :Complete the given table

Q: 1. Verbal ability consists of at least two components: verbal comprehension (e.g., reading ability)…

A: The given two components are verbal comprehension and verbal fluency.

Q: Use a dot plot to display the data, which represent the systolic blood pressures (in millimeters of…

A: Answer given…

Q: Answer number 14. Be correct! solve the full problem! Show work!

A:

Q: 12. Basic Computation: Binomial Distribution Consider a binomial experiment with n = 7 trials where…

A: (12)Since, there is two possible outcomes one is succes and other is failure, and n be fixed and…

Q: 2. On the basis of (7.18), find the partial derivatives ay*/alo, ay/ax, and aY* /aß. Inter- pret…

A:

Q: Private nonprofit four-year colleges charge, on average, $26,757 per year in tuition and fees. The…

A: The mean and standard deviation are $26757 and $6711 respectively.

Q: The exam scores for a group of 780 students at Maquarie Gardens High School (MGHS) are normally…

A: Given that the exam scores for a group of 780 students at Maquarie High School (MGHS) are normally…

Q: 1. If the values of the joint distribution of two continuous random variables X and Y is given by:…

A: As per our guidelines we are suppose to answer only three subparts kindly post the remaining…

Q: Determine your independent and dependent variables, choose the appropriate statistical test, and…

A: Independent variable: Levels of nitrogen (categorical variable with 3 levels) Dependent variable:…

Q: This bargraph attached illustrates the responses of different age groups to the following inquiry:…

A: The given bargraph illustrates the responses of different age groups to the following inquiry: "Over…

Q: Suppose that in a recent poll, 550 of the 915 randomly selected U.S. adults agreed with the…

A: Sample size Out of which  agreed with the statement "social media sites like Facebook and Twitter do…

Q: 2. There were 12 boys and 13 girls, in a class of 25 students, who were given a test. The mean mark…

A: It is required to find the mean and standard deviation of the marks of the whole class of 25…

Q: I just need help with the last three parts of the question. Use n=9 and p=0.9 to complete parts (a)…

A: The formula of the standard deviation is,Where,n denotes the sample size,p denotes the probability…

Q: Exercise Perform the calculations with the following data. Assuming that the team operates 285 days,…

A: The team operates 285 days, 15 hours a day and aiming for 75% of reliability. The cost for…

Q: You wish to test the following claim (Ha) at a significance level of a = 0.005. Ho : μ = 89.6 Ha : μ…

A: The null and alternative hypotheses are:H0: μ = 89.6H1: μ < 89.6

Q: Use the following results from a test for marijuana use, which is provided by a certain drug testing…

A: The question is about probabilityGiven :Total no. of positive test results =…

Q: 1. Tumble Company sells a digital camera for $1331.7 less 22.4%. Another wholesaler, Spring Company…

A: Answer Given Tumble Company sells a digital camera for $1331.7 less22.4%. Another wholesaler, Spring…

Q: Let's consider the joint probability distribution of two random variables, X and Y, as given below.…

A:

Q: You can use the random number table to simulate outcomes from a given discrete probability…

A: You can use the random number table to simulate outcomes from a given discrete probability…

Q: Please answer number 13. All parts. Show work! Thank you!

A: The information provided in the question are as follows :-Number of trials (n) = 6Probability of…

Q: means Student's scores will be clos Hedlucing of slas proportion o fan fan into the faill h The exam…

A: 1. Calculate the Z-Score using (x-mean)/standard deviation2. The value of Z-score which is more far…

Q: Case Problem: Young Professional Magazine Young Professional magazine was developed for a target…

A: The 95% confidence interval for the population mean is (29.7215, 30.5029)

Q: (a) Sketch the graph of a function with a removable discontinuity. (b) Sketch the graph of a…

A: A function is said to have a removable discontinuity at , if Consider,  The graph has removable…

Q: The managers of a brokerage firm are interested in finding out if the number of new clients a broker…

A: import pandas as pdimport numpy as npimport statsmodels.api as smfrom statsmodels.stats.stattools…

Q: 5. Which of the following is the 95% confidence interval for the true population proportion? C.…

A: Given that Confidence level (C) = 95% = 0.95We know thatPopulation proportion is represented by…

Q: Question 4 The exam scores for a group of 780 students at Maquarie Gardens High School (MGHS) are…

A: For the distribution of the exam scores (which is specified to be distributed normally), it is given…

Q: (d) More than 2 hours elapse between consecutive deliveries. (e) Less than 30 minutes elapse between…

A: The maternity ward at Dr. Jose Fabella Memorial Hospital in Manila is one of the busiest in the…

Q: Suppose IQ scores were obtained for 20 randomly selected sets of siblings. The 20 pairs of…

A: Let  represent the IQ score of older child. And  be the IQ score of siblings.The sample size:  and…

Q: 4. Basic Computation: Expected Value and Standard Deviation Consider a binomial experiment with n =…

A: n=20p=0.40

Q: 01 PM houanbasy ठुळ 8- 6- 4- 2- 30 40 50 Quiz: Final Exam - on-line portion 60 Weight in lbs 70 80…

A: Considering the values on the x-axis as the class interval and the height of each bar as the…

Q: 5. What size samples do you need for a 2-group design if you expect to have an effect size of .40…

A: ANSWER:Sure! To determine the sample size required for a 2-group design with the expected effect…

Q: Pollsters are concerned about declining levels of cooperation among persons contacted in surveys. A…

A: Pollsters are concerned about declining levels of cooperation among persons contacted in surveys. A…

Q: A researcher wants to estimate the average number of days/week UNBC students engage in physical…

A: From the provided information,Margin of error (E) = 0.025Confidence level = 95%Population standard…

Q: Data on advertising expenditures and revenue (in thousands of dollars) for the Four Seasons…

A: Least square method:It is a statistical procedure to find the best fit for the given set of data…

Q: TABLE 15-3 In Hawaii, condemnation proceedings are under way to enable private citizens to own the…

A: The question is about regressionGiven :Dependent variable ( Y ): Sale price of a propertyIndependent…

Q: Researchers are interested in the effect of pet companionship on depression in elderly adults. They…

A:

Q: Assume that all interest is simple interest. 7 Ed Bland had savings of $600 invested at 6- 10 % for…

A: Principal amount P=$600.Rate of interest  i.e., 6.7%Time T=4 years

Q: In the midst of labor-management negotiations, the president of a company argues that the company's…

A:

Q: 2.5 2.6 1.7 1.8 2.2 4.5 4.9 3.7 4.0 4.3

A: The data set are :-X :- 2.5, 2.6, 1.7, 1.8, 2.2Y :- 4.5, 4.9, 3.7, 4.0, 4.3Then,We will find…

Q: A random sample of 89 tourists in British Columbia showed that they spent an average of $2860 (in a…

A: (a)That is, there is no significant difference between the average expenditures of all the tourists…

Q: The Ministry of Health is interested in determining patients’ response time to a new influenza cure…

A: Drug ADrug BLength of TimeResponse timeLength of TimeResponse…