can you please give me the formulas to find the answers . that's an exercise of business statistics

Q: The Business Analytics certificate program at TAMUC has estimated to have an enrollment of 100…

A: the probability that the Business Analytics certificate program can enroll 150 students, we need to…

Q: True or False: Collinearity is present when there is not a high degree of correlation between any of…

A: Collinearity is present when there is not a high degree of correlation between any of the…

Q: A modified roulette wheel has 28 slots. One slot is 0, another is 00, and respectively. You are…

A: The given probability of winning is .

Q: PLEASE ESTIMATE THE DEMAND OF THE PRODUCT WHEN THE PRICE IS 15. (PLEASE EXPLAIN YOUR PEASON)

A: The table provides the coefficients and other statistical information for estimating the demand of a…

Q: Let X be a discrete random variable that can take on values 1,2,3, or 4. The following the F(X),…

A: Given cumulative probability distribution. XF(x)=P(Xx)10.220.530.941

Q: Twenty-three percent of U.S. employees who are late for work blame oversleeping. You randomly select…

A: According to the given information in this questionWe need to find the meanOf the binomial…

Q: Test 1 marks obtained by 10 students from Physics subject are as the following data : 87 66 (i) 78…

A: The marks of 10 students are:78, 65,81, 92, 71, 83, 60, 78, 87, 66We have to find the minimum,…

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

A:

Q: What percent is the orange juice? ( round to the nearest tenth.) Hint: orange juice calories over…

A: To determine the percentage of orange juice in terms of calories, we need to calculate the ratio of…

Q: a. The probability is 0.0730 (Round to four decimal places as needed.) b. The probability is (Round…

A: Let X be the random variable from normal distribution with mean (μ) = 205.5, standard deviation (σ)…

Q: True or false. Consider a binomial distribution with 16 trials. Look at a table showing binomial…

A: It is given that the number of trails is 16.

Q: ents were asked about how important a goal it is to them to have a family and about how important a…

A: The information provided in the question are as follows :-Number of pair of observations Family Goal…

Q: 14. You are given the following information about the four distinct portfolios: Determine which two…

A:

Q: The following table shows the actual demand observed over the last 11 years: Year Demand 1 8 2 10 3…

A: The question is about forecastingGiven :To find :b ) forecast from year 4 through 12 using 3 year…

Q: Let X₁,..., Xn be i.i.d. Normal (0,0²). (a) Suppose that is a priori distributed normal with mean a…

A: In this problem, we are dealing with statistical inference and estimation in the context of a normal…

Q: I. Consider the test results in Statistics of 50 students. Range= ci= 88 62 63 88 65 W= ec 84 80 85…

A: Data888560756355786486416283467889624147555263768587636251487672887271706083565452436563674273798077…

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

A:

Q: In a large population, 52% of the people have been vaccinated. If 5 people are randomly selected,…

A: Here n=5AndP=52%=0.52

Q: Identify the null hypothesis, alternative hypothesis, test statistic, conclusion about the null…

A: Suppose μ is the population mean temperature.

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: 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: According to the Center for Disease Control and Prevention (CDC), the mean life expectancy in 2015…

A: The question is about central limit theoremGiven :Popl. mean life expectancy (  ) = 79.3 yearsPopl.…

Q: If the p-value is very large (say close to 1), then it is likely that we will reject the null…

A: If the p-value is very large (close to 1), it means that the observed data is likely under the null…

Q: Listed below are the heights (cm) of winning presidential candidates and their main opponents from…

A: The independent variable is height of president (x) and the dependent variable is height of opponent…

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: The distribution of actual weights of 8-oz chocolate bars produced by a certain machine is normal…

A:

Q: During October of 2019, Alex sampled 400 people and determined their employment status and age. Alex…

A: Chi-Square TestThe Chi-Square test is a statistical procedure for determining the difference between…

Q: What type of distribution is appropriate to model the number of cars driving through a certain road…

A: Here looking for distribution of number of cars driving through a certain road between 2 and 3 pm on…

Q: Based on the most recent census, it is known that 32% of the adult population of North Nitch are…

A: We have given thatp = 0.32 n = 1000q = 1 - p = 1 - 0.32 = 0.68

Q: below. If we den ote entire population after the diet, find for Mo-Ms the mean weight for the the…

A: Let  be the population means before the diet. be the population means after the diet. be the mean…

Q: A new sales training program has been instituted at a their knowledge of products offered by the…

A: Let the samples be taken randomly Here, each variable is used in the two samples hence the samples…

Q: part of a practice test, want to see if I am doing it right

A:

Q: The following is the list of MAD statistics for each of the models you have estimated from…

A:

Q: A project group of six students enrolled in PSY 250-Human Sexuality at State U is studying a report…

A: From the given information,Let X be the age at which the students first engaged in intercourse…

Q: 1. Consider a sample with data values of 2.20; 1.98; 1.95; 2.27; 2.25; 2,24; 2.31 Compute the mean.

A:

Q: Use the normal distribution of heights of adult​ women, which has a mean of 168 centimeters and a…

A: Mean(µ) = 168Standard deviations (σ) = 5X ~ N (µ, σ )= N(168,5)

Q: from a recent General Social Survey, cross-classifies the degree of fundamentalism of subjects’…

A: Given that,the observed and the standardized residuals for testing the chi-square test statistics…

Q: Some association On-Line Discount Broker Survey polls members on their experiences with discount…

A: The scatter plot is used to visualize the numerical data. It examines the degree of relationship…

Q: You wish to test the following claim (Ha) at a significance level of a = 0.005. Ho: p=0.12 Ha:p>…

A: The given hypothesis is  versus .

Q: Determine whether the approximate shape of the distribution in the histogram shown is symmetric,…

A: A histogram is given.

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

A: n=20p=0.40

Q: Use the data shown in the graph to write a quadratic regression equation. Then predict the box…

A: From the provided graph, which represents the year (since 2000) on the x-axis and the revenue (in…

Q: What type of distribution is appropriate to model the number of patients recovering from cancer in a…

A: The objective o identify the appropriate model for the "no. of patients recovering from cancer in…

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

A: We need to explain what effect of sample size on margin of error assuming all else remained…

Q: (e) Calculate lowest score of the top 10 % of students tail :left ака: са 5:15 M:SS =74.2 • He…

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

Q: 12. | History: Florence Nightingale What was the age distribution of nurses in Great Britain at the…

A: The data for the percentage of nurses for different age ranges are given.

Q: Analyze and answer the following problems. Show your complete solutions. 1. A testing lab wishes to…

A: Brand ABrand B103560455030303540402025

Q: Coaster Condition (1 = Just rode, 2 = Waiting to ride) * Relationship (1 = Currently Single, 2 = In…

A: The following information is obtained from the data set:Currently SingleIn a relationshipTotalJust…

Q: Karen must choose a size, a flavor of ice cream, and a topping for her ice cream dessert. There are…

A: The question is about counting theoryGiven :Choices of size : small and mediumChoices of flavors :…

Q: Investigators at a large drug company are testing a disease of the brain. They randomly select two…

A: I disagree with the lead investigator's conclusion that the results demonstrate the vaccine's…