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Category: Mathematics

Discuss in detail the characteristics of probability and nonprobability sampling. Discuss the reasons that researchers would use conditional probability instead of unconditional probability in their study.

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This week covers probability and non-probability sampling. Discuss in detail the characteristics of probability and non-probability sampling. Discuss the reasons that researchers would use conditional probability instead of unconditional probability in their study. Be sure to support your statements with logic and argument, use at least two peer reviewed articles and cite them to support […]

State which method you intend to use to collect your surveys . Describe at least one reason why you have chosen this method, and write about one possible challenge that could arise when administering surveys with your chosen method.

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In 2-3 sentences, summarize the findings related to the effect of religious service attendance on happiness in the Lab Project Article. Based on the research question given above and what you have studied about hypothesis testing, state a null hypothesis and an alternative hypothesis for your Lab Project. T State which method you intend to […]

Calculate the Jacobian matrix of the model at an equilibrium at the origin.What are equilibria of x, y, and z?

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Consider the following model, dx dt = σ(y −x), dy dt = rx −xz −y, dz dt = xy −bz, where x, y, and z are scaled variables and can be negative. The parameters, σ,r, and b, are positive. (a) What are nullclines of x, y, and z? (b) What are equilibria of x, y, […]

Discuss the selection of mathematical methods, operations and tools that can be used to extract mathematical information from problem based contexts in academic subjects.

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Write a brief essay in which they discuss the selection of mathematical methods, operations and tools that can be used to extract mathematical information from problem based contexts in academic subjects.

Write a custom R function that takes any univariate dataset and calculates the mean, minimum, maximum, and standard deviation.

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addPercent <- function(x){ percent <- round(x*100, digits = 1) result <- paste(percent, “%”, sep = “”)   return(result) } Below are a few output results from this function.  > addPercent(.1) [1] “10%” > addPercent(10) [1] “1000%” > addPercent(10.1) [1] “1010%” > addPercent(0.1443) [1] “14.4%” Write a custom R function that inputs a temperature in Fahrenheit […]

What are the significant factors?  How do these variables relate to the sale price?Discuss

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In Week 4 Portfolio Milestone, you’ve examined housing.training.csv dataset. Now , examine housing.testing.csv (Links to an external site.) dataset and perform the same tasks as given in Week 4 Portfolio Milestone. Using R, calculate the summary statistics (minimum, maximum, mean, median, and standard deviation) and create a histogram of sale price for each dataset.  Comparing with housing.training,csv dataset, describe the […]

How do you calculate the level of net working capital (NWC)? What is the value of NWC at the end of Year 0, 1, and 6?

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When calculating incremental unlevered net income, should we include all the expenses mentioned in the case? If not, what expenses should we exclude and why. Is there a big jump of unlevered net income from Year 5 to Year 6? Why? How do you calculate the level of net working capital (NWC)? What is the […]

What can you conclude about the effect of procedural justice training on police behaviour?Discuss

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Your research aimed to test the effect of procedural justice training on police behaviour. A program that emphasized the importance of voice, neutrality, respect, and trustworthiness in policing actions (consistent with principles of procedural justice) was delivered to a group of police officers. The program’s goals were to increase the level of respect with which […]

Explain how to generate a simple random sample of 20 employees out of the 85 total employees who are working at a candy bar factory.

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Explain how to generate a simple random sample of 20 employees out of the 85 total employees who are working at a candy bar factory. Explain how generating a simple random sample of 20 candy bars off the production line would be different than generating a simple random sample of 20 employees. Explain why sampling […]

Write a one to two page reaction paper (about 500 words) summarizing the video and describing your reaction.

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Description Watch the Gilbert Strang video ‘Integrals – Big Picture’ at Big Picture: Integrals – YouTube Write a one to two page reaction paper (about 500 words) summarizing the video and describing your reaction. In your paper address how the integral is related to the derivative and the meaning (or meanings) of the integral.

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