Explain if the Income and Wealth carry the expected sign.

Q: measurement

A: A sample is a subset of a population.

Q: What type of statistics is presented in the financial section of a newspaper, inferential or…

A: Descriptive statistics: Based on the situation, the data is collected. It is then organized and…

Q: Identify a commonly used graphical technique for portraying events and relationships among events.

A: Venn diagram:Venn diagram is a diagrammatic representation of sets that show the relationship…

Q: Explain in words why the ultimate ruin probability does not depend on the arrival rate of claims…

A: Risk theory was developed in order to provide a way for the existence and significance of the…

Q: What is the key advantage of the Logit Model over the Linear Probability Model?

A: Logic model- It is also defines as logistic Regression, is a binomial regression model. It  is used…

Q: Explain how the probability of extinction and the mean population size of a species after a…

A: the Colonization and extinction probabilities  were defined in terms of the habitat state at both…

Q: What is the expected expense of the machine being used 34 hours per week?

A: Regression line are used to predict the variable. It is calculated by the combined value of…

Q: What is an example of the use of statistics to make predictions and decisions in our daily lives?

A: Probability & Statistics can be used in our daily life in many activities like online shopping.

Q: Why Confidence Intervals Work?

A: Confidence Interval: Confidence interval is the interval estimate of the population parameter. It is…

Q: Explain what expected value means in your own words.

A: To explain about expected value.

Q: what is statistics- future scenarios in terms of doing project management?

A: Statistics analysis-future scenario helpful in estimation of expecting compeletion time of the…

Q: Define the concept of expected value?

A: The expected value of the random variable is nothing but the mean value of the random variable. It…

Q: Describe about the Mean as Balance Point?

A: Mean: The arithmetic mean (also called the mean) is the most commonly used measure of central…

Q: How will statistics play a part in a health provider's career?

A:

Q: Rank the decision alternatives on the basis of expected value and on the basis of expected utility.

A: From given data we have :   S1 S2 S3 d1 5 10 20 d2 -25 0 50 d3 -50 -10 80 Probability…

Q: Probability theory forms a central part of the design of in Reliability engineering.

A: # probability theory forms a central part of design of high reliable system in Reliability…

Q: c. Why will the standard deviation not be a good measure of risk when returns are negatively skewed?

A: It is an important part of statistics. It is widely used.

Q: As the true population mean moves away from the hypothesized mean, the power of the test decreases.…

A:

Q: Make probability histogram

A:

Q: What is the new version of standard error?

A:

Q: Which Variable is most important in predicting Accounts?

A:

Q: If used correctly, incorporating statistical probabilities and risk estimates can refine financial…

A: Financial modeling: It is a method of building an abstract representation of a real world financial…

Q: Define concept of Avoiding the Problems Caused by Stochastic Trends?

A: Avoiding the Problems Caused by Stochastic Trends: The best way to deal with a trend is to transform…

Q: outcomes responses measure

A: A sample is a subset of a population.

Q: The box plot represents the returns on a mutual fund over the past 10 years. (a) Which is…

A: Data visualization is the process of denoting the numerical data visually. Data visualization can be…

Q: How do you do a binomial distribution?

A: Binomial Distribution: The Binomial distribution is useful if the experiment has two outcomes…

Q: How can we use Statistics and Probability to help others make informed decisions regarding Diet and…

A: The phrase "You are what you eat!" has been around for who knows how long it is. If an individual…

Q: What are the Different Problems Caused by Stochastic Trends?

A:

Q: 4. Describe the correlation between hours worked at a job and the money earned.

A: To write the correlation between hours worked at a job and the money earned

Q: Define Correlation and conditional mean?

A:

Q: What is meant by the grand mean?

A:

Q: What statistical technique is used to make predictions of future outcomes based on present…

A: A primary use of regression was to illuminate a supposed linear relationship between predictor…

Q: State whether the mean, median, or mode is being used in the given statement. The average annual…

A:

Q: Explain the statistics of inferential?

A: The collection, aggregation, and study of raw data are all part of statistics. two major types of…

Q: When do official statistics occur?

A: Official statistics: These are the statistics produced by official governmental agencies for…

Q: Explain how we use t as an inferential statistic

A: Inferential statistics:The process of making conclusions regarding the population based on the…

Q: Define what is meant by odds.

A: The odd is defined as the ratio of probability that the event will occur to the of the probability…

Q: How do you calculate the benchmark daily returns of weightings 60% IWV, 20% EFA, and 20% AGG.

A: Let us assume the following returns notations w1 - daily returns obtained in IWV w2 - daily returns…

Q: Define bias in terms of expected value?

A: In general bias is a tendency for a statistical parameter to be overestimated or underestimated.

Q: The Powerball lottery jackpot has a winning probability of 1/189,000,000.  If you only consider the…

A: From the given information, Consider, X is the random variable that shows the net gain.  Pr(winning…

Q: Explain the concept of probability and statistics.

A: Statistics: Statistics refers to data and the methods of collecting numerical data, analyzing it,…

Q: If the lottery costs $1 per ticket, what is the expected net cash if you buy one ticket?  Please…

A: The expected winning amount is given by :   Price (in $)   ( xi ) Probability ( pi )…

Q: Find the standard deviation of the following -14, -4,-10, -12, 5, -1.

A:

Q: A) What is the mean change of the stock price for those 5 days? B) What was the final price of the…

A: Here given some price changes of stock from Monday to Friday  Based on given information use mean…

Q: 2. Find the median survival.

A: Let, X be the time to failure of transplanted kidney in months. Given, X follows Weibull…

Q: a)what is the Pearson correlation value between income and consumption?

A: formula r=n(Σxy)-(Σx)(Σy)nΣx2-(Σx)2nΣy2-(Σy2)

Q: Politifact reported that on September 29, 2015, Cecile Richards, then president of Planned…

A: Introduction: The given chart marks the years from 2006 to 2013 on the horizontal axis. The counts…

Differential Equations

Have you ever observed the movement of the satellites and rockets or how the planets go around the sun in their orbits? How will you determine their motion? Definitely they follow some scientific laws and these kinds of problems are framed as differential equations.