Mathematics problem solving

1- Arbitron Media Research Inc. conducted a study of the iPod listening habits o

1- Arbitron Media Research Inc. conducted a study of the iPod listening habits of men and women. One facet of the study involved the mean listening time. It was discovered that th…

1- Assume daily demand for a video streaming player is linear and is represented

1- Assume daily demand for a video streaming player is linear and is represented by the function:      p = .25q – 4 where p is the price in dollars at which q units are demanded. …

1- At a certain gas station, 40%of the customers use regular unleaded gas (A 1 )

1-      At a certain gas station, 40%of the customers use regular unleaded gas (A1), 35% useextra unleaded gas (A2), and 25% use premium unleadedgas (A3). Of those customers using…

1- At a certain gas station, 40%of the customers use regular unleaded gas (A 1 )

1-      At a certain gas station, 40%of the customers use regular unleaded gas (A1), 35% useextra unleaded gas (A2), and 25% use premium unleadedgas (A3). Of those customers using…

1- Business Weekly conducted a survey of graduates from 30 top MBA programs. On

1- Business Weekly conducted a survey of graduates from 30 top MBA programs. On the basis of the survey, assume the mean annual salary for graduates 10 years after graduation is 1…

1- Business Weekly conducted a survey of graduates from 30 top MBA programs. On

1- Business Weekly conducted a survey of graduates from 30 top MBA programs. On the basis of the survey, assume the mean annual salary for graduates 10 years after graduation is 1…

1- Cindy Ho, VP of Finance at Discrete Components, Inc. (DCI), theorizes that th

1- Cindy Ho, VP of Finance at Discrete Components, Inc. (DCI), theorizes that the discount level offered to credit customers affects the average collection period on credit sales.…

1- Consider that you want to turn from a heading angle of pi/2 to 0. What change

1- Consider that you want to turn from a heading angle of pi/2 to 0. What changes, if any, would you make to your code to allow for the smallest number of iterations to turn to 0 …

1- Determine the value of c that makes the function f(x,y)= c e 3 x 4 y a joint

1- Determine the value of c that makes the function f(x,y)= c e3x4y a joint probability density function over the range 0<x and 0<y<x. Hence, find the following: (a) P(Y&…

1- Explain how to find critical value for a t-distribution? 2- How to determine

1- Explain how to find critical value for a t-distribution? 2- How to determine if two events are mutually exclusive? 3 -Explain the difference between the z-test for the mean usi…

1- Fertilization is fundamental to sexual life cycles and is often seen as the s

1- Fertilization is fundamental to sexual life cycles and is often seen as the start of development. Of the roughly quarter-billion sperm released in a typical primate ejaculate, …

1- Find the accumulated amount A if the principal P is invested at the interest

1- Find the accumulated amount A if the principal P is invested at the interest rate of r/year for t years. (Use a 365-day year. Round your answer to the nearest cent.) P = $1000,…

1- Find the area using double integration. Y=-X^2 , X-Y=2 2- Find the area using

1- Find the area using double integration. Y=-X^2 , X-Y=2 2- Find the area using double integration r=3 Sin(2*theta)

1- Find the critical numbers of the function. (a) f(x) = x^3 + x^2 - 8x + 3 (b)

1- Find the critical numbers of the function. (a) f(x) = x^3 + x^2 - 8x + 3 (b) g(x) = x-(sqr3)x (c) h(x) = (undefined) 2- Find the absolute maximum and absolute minimum values of…

1- Find the equation of the tangent plane to the given surface at the specified

1-Find the equation of the tangent plane to the given surface at the specified point. 2-The radius of a right circular cone is increasing at a rate of 5 in/s while its height is d…

1- Find the principal needed to get $1200 in 6 years at 12% compounded monthly.

1- Find the principal needed to get $1200 in 6 years at 12% compounded monthly. Principal = $ 2- In 3 years Harry and Sally would like to have $20000 for a down payment on a house…

1- Find the simple interest on a $1900 investment made for 3 years at an interes

1- Find the simple interest on a $1900 investment made for 3 years at an interest rate of 8%/year. What is the accumulated amount? simple interest: $________ accumulated amount: $…

1- Find the volume of the solid obtained from rotating the region enclosed by th

1- Find the volume of the solid obtained from rotating the region enclosed by the curves y = 15 - x, y = 2x + 9, x = -1 about the x-axis. (Hint: Sketch the graph.) 2- Find the vol…

1- For the event described below, which of the following represents the compleme

1- For the event described below, which of the following represents the complement of the event. A sample of 372 software DVDs was selected. At least 47 of these were defective. Q…

1- From the model equation, what are the growth rate and units? a) 1.5 (dimensio

1- From the model equation, what are the growth rate and units? a) 1.5 (dimensionless) b) 1.5 J/cm c) 2.117 (dimensionless) d) 2.117 J/cm1.5 e) None of the above 2- For the graph,…

1- How does the convergence of multiple signal pathways due to the formation of

1- How does the convergence of multiple signal pathways due to the formation of the gray crescent lead to the formation of the primary organizer in Amphibians? Describe these path…

1- How would you define Incidence Rate? 2-A doctor’s office gives each patient a

1-How would you define Incidence Rate? 2-A doctor’s office gives each patient a survey to complete. The results of the survey revealed that a person can suffer from allergic flare…

1- I have seen people turn on the GPS to go to places that they already know how

1- I have seen people turn on the GPS to go to places that they already know how to get to or even follow it when they know that there could be a shorter path. Have you ever seen …

1- If f(x) is a 4th degree polynomial, and has 3 complex numbers as roots, the o

1- If f(x) is a 4th degree polynomial, and has 3 complex numbers as roots, the other root is? Select one: a. 0 b. Real c. Complex d. 1 e. None of these 2- What is i-3? Select one:…

1- If we are using a Training and Test set scheme, the error rate (or the percen

1- If we are using a Training and Test set scheme, the error rate (or the percent instances classified correctly) we should pay attention to is the error rate on the ____ set A)Tr…

1- In a two tailed test, if p

1- In a two tailed test, if p<alpha you should 2- Kurt believes that the mean time it takes him to attend to his yard every week is more than 21 hours. To test this, he has tak…

1- In the Income linear regression example consider the distribution of the outc

1- In the Income linear regression example consider the distribution of the outcome variable Income.Income value tends to be highly skewed to the right ( distribution value has a …

1- Interpret the results of Variance- covariance matrix and the correlation matr

1- Interpret the results of Variance- covariance matrix and the correlation matrix? why do these results tell you? 2- Interpret the standard deviation of portfolio returns and bit…

1- Interpreting Weather – While this exercise was being created, Weather.com ind

1- Interpreting Weather – While this exercise was being created, Weather.com indicated that there was 40% chance of rain for Southern Illinois region. Based on that report, which …

1- John Doe is a rationale person whose satisfaction or preference for various a

1- John Doe is a rationale person whose satisfaction or preference for various amounts of money can be expressed as a function U(x) = (x/100)^2, where x is in $. How much satisfac…

1- Make up three data sets with 5 numbers each that have: (a) the same mean but

1- Make up three data sets with 5 numbers each that have: (a) the same mean but different standard deviations. (b) the same mean but different medians. (c) the same median but dif…

1- Moment of inertia describes an objects ability to resist bending. The moment

1- Moment of inertia describes an objects ability to resist bending. The moment of inertia for a rectangular beam is represented by the formula I=bh3/12 where: I ? moment of inter…

1- Probability of striking oil: Assume that hitting oil at one drilling location

1- Probability of striking oil: Assume that hitting oil at one drilling location is an individual location is 0.3. a) What is the probability that a driller will hit oil on or bef…

1- Pure software working on full population: For the given set of stock market d

1- Pure software working on full population: For the given set of stock market data you are required to perform statistical analysis of this data to find out the mean, the varianc…

1- Regression analysis can be described as ________. A. a statistical hypothesis

1- Regression analysis can be described as ________. A. a statistical hypothesis test in which the test statistic follows a Student's t-distribution if the null hypothesis is supp…

1- Score: 0 of 5 pts 11 of 12 (6 complete) Hw Score: 37.5%, 15 of 40 pts E Quest

1- Score: 0 of 5 pts 11 of 12 (6 complete) Hw Score: 37.5%, 15 of 40 pts E Question Help | * 6.3.21 The table to the right shows the results of a survey in which 2589 adults from …

1- Sociotechnical challenges are challenges that range from how a system affects

1- Sociotechnical challenges are challenges that range from how a system affects society to how society affects ____________. Risk management A system Utility Risk mitigation 2- I…

1- Solve the system 2- Consider the system of differential equations For this sy

1- Solve the system 2- Consider the system of differential equations For this system, the smaller eigenvalue is and the larger eigenvalue is . Use the phase plotter pplane7.m in M…

1- Suppose in our Training set we are using marital status as a predictor, and i

1-   Suppose in our Training set we are using marital status as a predictor, and it has the values   Married Single Divorced and in our Test set, marital status has the values Mar…

1- Suppose that you are going to test the hypothesis that the population mean is

1- Suppose that you are going to test the hypothesis that the population mean is 25, i.e.  . Suppose that you find a sample average of 20.3 and a standard error of 3. What is the …

1- Suppose you are the manager of a shoe store. Your software team has been work

1- Suppose you are the manager of a shoe store. Your software team has been working on a new software package to replace the old accounting package. When the old package was used …

1- Suppose you flip a fair well balanced coin. List all possible outcomes. What

1- Suppose you flip a fair well balanced coin. List all possible outcomes. What are chances to get a head? Explain. 2- Suppose that you will flip a fair coin twice. List all possi…

1- Suppose you flip a fair well balanced coin. List all possible outcomes. What

1- Suppose you flip a fair well balanced coin. List all possible outcomes. What are chances to get a head? Explain. 2- Suppose that you will flip a fair coin twice. List all possi…

1- The exponential model would be attractive for analyzing a growing company\'s

1- The exponential model would be attractive for analyzing a growing company's revenues over time. True or False 2- Which of the following best describes the decomposition modelin…

1- The name of the structures in the water vascular system of Echinodermata whic

1- The name of the structures in the water vascular system of Echinodermata which act to increase the volume of water within. The name of the calcified plaques that make up the in…

1- The objective of supply chain system is to maximize non-value created. TRUE F

1- The objective of supply chain system is to maximize non-value created. TRUE FALSE 2- Supplier selection is an important planning decision in the context of supply chain system.…

1- The objective of supply chain system is to maximize non-value created. TRUE F

1- The objective of supply chain system is to maximize non-value created. TRUE FALSE 2- Supplier selection is an important planning decision in the context of supply chain system.…

1- The owner of a garden supply store wants to construct a fence to enclose a re

1- The owner of a garden supply store wants to construct a fence to enclose a rectangular outdoor storage area adjacent to the store, using part of the side of the store (which is…

1- The population mean, µ, is a measure of a-the uncertainty of a population b-c

1- The population mean, µ, is a measure of a-the uncertainty of a population b-central tendency of a sample c-dispersion of a population d-central tendency of a population e-none …

1- The regression equation Salary = 35,000 + 3500 YearsExperience + 1200 YearsCo

1- The regression equation Salary = 35,000 + 3500 YearsExperience + 1200 YearsCollege describes employee salaries at Streeling Research Labs. The standard error is 2500. Doris has…