Math/Physic/Economic/Statistic Problems

Is the number of sticks of gum a person chews per day actually greater than 8? Show hypothesis, test statistic or P-value, and the decision about the claim.

STA2023 EXAM 3-Part 2 1-) A study was conducted to determine the number of cell phones each household has. The data are shown here. Number of cell phones 0 1 2 3 4 Frequency 2 30 48 13 7 Construct a probability distribution. Find the mean of the probability distribution. 2-) If 60% of all […]

Use the information, Tatts Rules-of-Authorised-Lotteries 11-May-2022 and your knowledge of combinatorics to compare and contrast the different lottery in NSW.

Working with Combinatorics Involving the Australian Lottery Task details: Use the information, Tatts Rules-of-Authorised-Lotteries 11-May-2022 and your knowledge of combinatorics to compare and contrast the different lottery in NSW. Explore the following ideas in your report: How many different combinations are possible for each draw? How many different entries are possible? Cost v winnings Why […]

Find the Mean, Median, Mode, and Standard Deviation of your two distributions (originals and sequels). Create a 5-number summary for each distribution.

ASSIGNMENT Procedure: First phase of activity: Create a table in your Word document. It should have 4 columns and 16 rows. Label the columns, “Original title,” “Sequel title,” “Original rating,” and “Sequel rating.” Find at least 15 movies that have sequels, and enter the titles of the movies in the first two columns of the […]

Reflect on your calculations between the original monthly savings and the new amount of savings (increased by $100). How did the compound amounts change after 1 year?

Signature Assignment Final Draft In this portion of the Signature Assignment, include additional information to your draft that will relate your budget to a TED Talk and apply the financial knowledge to solve a problem. Paragraph 5: Personal Finance Crisis Reflection Watch Elizabeth White’s TED Talk by clicking the following link. Captioning and transcripts are […]

Construct 95% and 99% confidence intervals using your sample mean for each of the categories listed. Use your mean and standard deviation from Phase 1 to construct the confidence intervals for each category.

ASSIGNMENT Complete problem 1-2 below. Use the mean, standard deviation and sample size of these 2 categories: Cost of Tuition Out-of-State and Dollar Amount of Financial Aid per student. You will use the mean of the proportions (rounded to 4 decimal places) and the mean of the enrollment (rounded to the nearest integer) for these […]

Explain how you would interpret the estimated coefficients on In Li and In Ki, without making any assumptions on the structural relationship.

Homework (Mathematical Econometrics) 1. [32 points] You observe an iid sample of data (Yi, Li, Ki) across a set of manufacturing firms i. Here Yi denotes the output (e.g. total sales) of the firm in some period, Li measures the labor input (e.g. total wage bill) of the firm in this period, and Ki measures […]

Why is it important to go beyond averages when summarizing data? What other descriptive statistics are used to help interpret data?

DATA Why is it important to go beyond averages when summarizing data? What other descriptive statistics are used to help interpret data? Need above question answered, APA format (Essay style ) with a min. 300-350 words. References included.

Consider a similar medium but with linear loss for the ω1 wave only. Do any of W, M1, M2, M3 remain constants of motion? Why?

Nonlinear Optics (50 points) The equations of motion describing nonlinear coupling of three plain waves in a lossless χ(2) medium are given in the slowly-varying envelope approximation as (1) (2) (3) where ωj and nj are the angular frequency and refractive index, respectively, of jth wave (j = 1,2,3). K is the effective second-order susceptibility. […]

Create 8–10 slides, including a cover and a sources list, for a presentation to the director of the manufacturing plant. Summarize the problem with the appliance manufacturing firm’s toaster.

Case Study: Statistical Inference Overview: The research department of an appliance manufacturing firm has developed a new bimetallic thermal sensor for its toaster. The new bimetallic thermal sensor can sense the temperature of the bread and move the lever arm to activate the switch. The research department claims that the new bimetallic thermal sensor will […]

In your own words describe the Lipschitz condition? Give several examples of functions that do not satisfy this condition.

Lipschitz Condition Use your maths knowledge in 350 words In your own words describe the Lipschitz condition? Give several examples of functions that satisfy this condition or give several examples of functions that do not satisfy this condition. APA 7th edition, with 350 words

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