Mathematics problem solving

1) What is the z -score of x = 5, if it is 1.3 standard deviations to the left o

1) What is the z-score of x = 5, if it is 1.3 standard deviations to the left of the mean? (Enter an exact number as an integer, fraction, or decimal.) z = 2) Suppose X ~ N(6, 1).…

1) What should the Earned Value Management (EVM) analyst do based on the informa

1) What should the Earned Value Management (EVM) analyst do based on the information in this trend chart? (IMAGE DESCRIPTION: Sample chart showing monthly management reserve (MR) …

1) What tends to happen to confidence interval widths as a) the sample size incr

1) What tends to happen to confidence interval widths as a) the sample size increases, and b) the degree of confidence increases? 2) Assuming that both use the same sample standar…

1) What tends to happen to confidence interval widths as a) the sample size incr

1) What tends to happen to confidence interval widths as a) the sample size increases, and b) the degree of confidence increases? 2) Assuming that both use the same sample standar…

1) What type of defect can occur if molten metal is poured at a temperature that

1) What type of defect can occur if molten metal is poured at a temperature that is too high? 2) What is the name given to contaminants or metal oxides that arise from molten meta…

1) When all possible differences between pairs of population means are evaluated

1) When all possible differences between pairs of population means are evaluated not with an F test, but with a series of regular t tests, the probability of at least one a) type …

1) When conducting a hypothesis test about a single mean, at a given level of si

1) When conducting a hypothesis test about a single mean, at a given level of significance, as the sample size n increases, the power of the test: A) Will decrease. B) Will increa…

1) When forming confidence intervals and doing hypothesis tests for a single mea

1) When forming confidence intervals and doing hypothesis tests for a single mean, we were able to use the standard normal distribution when the sample size exceeds 30. What two t…

1) When the Normal distribution (a continuous distribution) is used to find appr

1) When the Normal distribution (a continuous distribution) is used to find approximate answers to problems arising from the Binomial distribution an adjustment is made for the mi…

1) When we reject the overall null hypothesis in a one-way ANOVA analysis we oft

1) When we reject the overall null hypothesis in a one-way ANOVA analysis we often perform pairwise comparisons in order to determine which groups have different means. Why do we …

1) Which construct is used to develop knowledge of the fundamental mathematical

1) Which construct is used to develop knowledge of the fundamental mathematical tools for quantitatively assessing risk? Statistics Parameters Probability Variability Central tend…

1) Which construct is used to develop knowledge of the fundamental mathematical

1) Which construct is used to develop knowledge of the fundamental mathematical tools for quantitatively assessing risk? Statistics Parameters Probability Variability Central tend…

1) Which is not a name often given to an independent variable that takes on just

1) Which is not a name often given to an independent variable that takes on just two values (0 or 1) according to whether or not a given characteristic is absent or present? Selec…

1) Which of the following are cis-acting sequences? A). promoters B). Enhancers

1) Which of the following are cis-acting sequences? A). promoters B). Enhancers C ). Repressors D). Two of the above E). All of the above. 2). When a transcription factor which fu…

1) Which of the following are the primary functions of all organizations? A) pro

1) Which of the following are the primary functions of all organizations? A) production/operations, marketing, and human resources B) marketing, human resources, and finance/accou…

1) Which of the following are the primary functions of all organizations? A) pro

1) Which of the following are the primary functions of all organizations? A) production/operations, marketing, and human resources B) marketing, human resources, and finance/accou…

1) Which of the following behaviors is an example of a \"reflex action\" as desc

1) Which of the following behaviors is an example of a "reflex action" as described by Descartes? a. A child is given a set of crayons and chooses the green, blue, purple, and bla…

1) Which of the following best describes how many covariates can be included in

1) Which of the following best describes how many covariates can be included in an ANCOVA? Only one covariate can be included. You can include as many covariates as you like. A go…

1) Which of the following is a measure of data deviation? a) 50th percentile b)

1) Which of the following is a measure of data deviation? a) 50th percentile b) variance c) mean d) median 3) The standard deviation of a 9 observations equals to 4. The variance …

1) Which of the following is true for the method of least squares: A)It allows u

1) Which of the following is true for the method of least squares: A)It allows us to fit a straight line or a quadratic to a set of data B)It should only be used if all datra poin…

1) Which of the following must be true of the currents in the circuit? i A = i B

1) Which of the following must be true of the currents in the circuit? iA = iB, iA = iC, iA = iB = iC   iA = iB + iC   iA = iB - iC   None of these. Explain your answer. 2) What i…

1) Which of the following places the steps of PCR in the correct order? Steps in

1) Which of the following places the steps of PCR in the correct order? Steps in PCR: (1) Incubate at 94°C to denature DNA strands; (2) Incubate at 72°C for DNA synthesis; (3) Inc…

1) Which of the following sentences are statements? Determine, if possible, whet

1) Which of the following sentences are statements? Determine, if possible, whether the statement is conditional or not and the truth value of each statement, but DO NOT attempt a…

1) Which of the following statements about P-value is not true? If the P-value >

1) Which of the following statements about P-value is not true? If the P-value > 0.10, do not reject the null hypothesis. The difference is not significant. In a chi-square goo…

1) Which of the following statements about P-value is not true? If the P-value >

1) Which of the following statements about P-value is not true? If the P-value > 0.10, do not reject the null hypothesis. The difference is not significant. In a chi-square goo…

1) Which of the following statements about the bacterium Rhizobium is NOT true?

1) Which of the following statements about the bacterium Rhizobium is NOT true? a. cells of Rhizobium infect the root hairs of leguminous plants b. cells of Rhizobium form nodules…

1) Which of the following statements is true? 2) Which of the following is a par

1) Which of the following statements is true? 2) Which of the following is a parametric representation for a hyperbola of one sheet? Assume that the field F and the function f hav…

1) Which of the following techniques can be used to quantify protein-protein int

1) Which of the following techniques can be used to quantify protein-protein interactions? A) Co-immunoprecipitation B) Affinity chromatography C) Chemical cross-linking D) Surfac…

1) Which of the following test statistics cannot be negative? (Select all that a

1) Which of the following test statistics cannot be negative? (Select all that apply.) M F z t 2) For which of the following research situations would it be more appropriate to ru…

1) Which of the following variables is best suited for organization and descript

1) Which of the following variables is best suited for organization and description using a frequency distribution? The monthly totals for the number of immigrants to the U.S. for…

1) Which one of the following most likely describes a positive relationship? a)

1) Which one of the following most likely describes a positive relationship? a) automobile weight and gas mileage b) test score and time to complete test c) current age and remain…

1) Which statement is most nearly correct, other things being equal? c) Quadrupl

1) Which statement is most nearly correct, other things being equal? c) Quadrupling the sample size roughly halves the standard error of the mean. d) The standard error of the mea…

1) Why would you use a nonparametric statistic? 2) What is more useful for compu

1) Why would you use a nonparametric statistic? 2) What is more useful for computing and understanding a measure of something, the average deviation or the standard deviation? Why…

1) Write Matlab code to implement the Crank-Nicolson method to solve the one-dim

1) Write Matlab code to implement the Crank-Nicolson method to solve the one-dimensional heat equation Cusz combined with the boundary conditions u(t, 0) = a(t) and initial condit…

1) Write a MATLAB function to evaluate exp(x) using the Taylor seriese exp (x) =

1) Write a MATLAB function to evaluate exp(x) using the Taylor seriese exp (x) = sigma n=0 to infinity  X^n /n! The inputs are the value of x and the desired absolute accuracy of …

1) Write a MATLAB function to evaluate exp(x) using the Taylor seriese exp (x) =

1) Write a MATLAB function to evaluate exp(x) using the Taylor seriese                                     exp (x) = sigma n=0 to infinity X^n /n!                                 …

1) Write a counter model with the clock input clk of type bit, and an output q o

1) Write a counter model with the clock input clk of type bit, and an output q of type integer. Behavioral architecture body must contain a process which declares a count variable…

1) Write down the steps of a hypothesis testing for the research question: “Whet

1) Write down the steps of a hypothesis testing for the research question: “Whether the mean body-weight in this population is 150 lb?” Use SPSS to obtain the value of the test st…

1) Write out the formula for calculating the 95% confidence interval for a sampl

1) Write out the formula for calculating the 95% confidence interval for a sample mean. 2) In this problem, you will compute confidence intervals for the mean under a variety of c…

1) Write scientific notation of the decimal number x = .8 in binary system up to

1) Write scientific notation of the decimal number x = .8 in binary system up to 11 digits by rounding to the nearest largest value. Show and explain your work. 2) State the maxim…

1) Write the coefficient of the term x2y4z5 expansion of (x + y + z) ^ 11 2) The

1) Write the coefficient of the term x2y4z5 expansion of (x + y + z) ^ 11 2) Theorem 2 gives the transitive closure of a relation. Since MR is a 4 x 4 matrix for this problem we h…

1) Write the followingnumbers in scientific notation a. 12.3 b. 40,000,000 c. 0.

1) Write the followingnumbers in scientific notation a. 12.3 b. 40,000,000 c. 0.000789 2) Write the following numbers as decimals a. 1.23 x 106 b. 1.23 x 10-6 Show all work and ex…

1) Write the polynomial as the product of linear factors. f ( x ) = x 2 + 81 f (

1) Write the polynomial as the product of linear factors. f(x) = x2 + 81 f(x) = List all the zeros of the function. (Enter your answers as a comma-separated list.) x = 2) Write th…

1) Y ou are given a coin with unknown probability that head shows up. You repeat

1) Y ou are given a coin with unknown probability that head shows up. You repeatedly toss coin and collect resulty/ When head shows up, you record I, otherwise 0. Following are th…

1) You are estimating the cost of optical sensors based on the power output of t

1) You are estimating the cost of optical sensors based on the power output of the sensor. You decide to calculate the coefficient of determination (R2) as part of determining the…

1) You are estimating the cost of optical sensors based on the power output of t

1) You are estimating the cost of optical sensors based on the power output of the sensor. You decide to calculate the coefficient of determination (R2)as part of determining the …

1) You are given the following partial worksheet in Excel. I am interested in pr

1) You are given the following partial worksheet in Excel. I am interested in pro- ducing graphs of the following functions as q varies from 10 to 5,000 by 10. I plan to enter an …

1) You are interested in how stressed out students are during finals week. You k

1) You are interested in how stressed out students are during finals week. You know (magically) that the standard deviation ‘sigma’ of all students stress levels is equal to 4 but…

1) You are interested in how stressed out students are during finals week. You k

1) You are interested in how stressed out students are during finals week. You know (magically) that the standard deviation ‘sigma’ of all students stress levels is equal to 4 but…

1) You are interested in studying the award process of the financial aid office

1) You are interested in studying the award process of the financial aid office of the university. Not every student who applies for a certain type of aid receives that honor. The…