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Statistics homework help

A random variable X is normally distributed with mean ????= 50 and standard deviation ????= 7. Compute the probability that X is greater than 42, i.e. P(x > 42).

Mathematics homework help

Show all work. Give complete explanations. Ask your instructor for any clarification. Answer question #1 or #2. You may do both for extra credit.  1a.  Give your own example of a real life piece-wise function. State what f(x) and x represents. (12 pts) 1b.  Calculate f(x) for two values of x. Explain what these results mean.  (12 pts) 1c.  […]

Mathematics homework help

Show all work. Give complete explanations. Ask your instructor for any clarification. Answer question #1 or #2. You may do both for extra credit.  1a.  Give your own example of a real life piece-wise function. State what f(x) and x represents. (12 pts) 1b.  Calculate f(x) for two values of x. Explain what these results mean.  (12 pts) 1c.  […]

Mathematics homework help

Answer all questions. Show all work. Contact your instructor with any question before the due date. The annual government taxes for the residents of a country is calculated using the piece-wise function below. f(x) is the annual taxes owed to the government, and x is the person’s annual income. Piece-wise Function 1a.  Find f(65,000) (5 pts) […]

Mathematics homework help

Fall 2020 1) For the following sequence, determine if it is an arithmetic sequence, a geometric sequence, or neither. If it is either arithmetic or geometric, give the next term in the sequence. 4, 9, 14, 19, 24, … Select the correct choice below and, if necessary, fill in the answer boxes to complete your […]

Mathematics homework help

Letf(x) =x3−x−1 inQ[x] and letg(x) =x2+ 1.a. Show thatf(x) is irreducible inQ[x].b. Quote general theorems which guarantee that the principal idealA= (f(x)) is a maximal ideal inQ[x] and the factor ringF=Q[x]/Ais a field.c. Find polynomialsr(x) ands(x) such thatf(x)r(x) +g(x)s(x) = 1.Suggestion. Use the same idea as the Euclidean algorithm forZ, invoving divisors and remainders.d. Explain […]

Statistics homework help

These are discussion questions. A. CAT.M1.DQ1 (SPSS Practice) The following website has a comma delimited spreadsheet (CSV) file on health data. The dataset is pretty self-explanatory. Download the file, import (File->Import->CSV) it into SPSS and run some descriptive statistics, frequencies, and/or exploratory analyses (All: Analyze->Descriptive Statistics). For (optional) Participation Points, tell us something about one of the […]