Mathematics problem solving

(Percentage Constraint) Let X, Y, and Z be the dollars invested in companies X,

(Percentage Constraint) Let X, Y, and Z be the dollars invested in companies X, Y and Z. f at most 30% of the total investment can be in company Y, _____. -0.3X -0.3Y+0.7Z lesstha…

(Please Show Work) Cholesterol levels are measured for 19 heart attack patients

(Please Show Work) Cholesterol levels are measured for 19 heart attack patients (two days after their attacks) and 28 other hospital patients who did not have a heart attack. The …

(Please answer all parts of question) Homework: Section 7-2 HW 11 of 15 4 comple

(Please answer all parts of question) Homework: Section 7-2 HW 11 of 15 4 complete) In a poll of505 human resource professionals, 51.5% said that body piercings and tattoos were b…

(Please answer all questions) 1. If both hips have iliopsoas tightness how will

(Please answer all questions) 1.       If both hips have iliopsoas tightness how will that affect the position of the pelvis? What will that do to the position of the lumbar spine…

(Please do this question in matlab and copy and paste the input and output) Writ

(Please do this question in matlab and copy and paste the input and output) Write a function array_product to compute the product of the elements of an array v using a for loop. T…

(Please help me whether I answered the questions right or not, also help me to s

(Please help me whether I answered the questions right or not, also help me to solve these questions.) 1.     (16 Points) Below are test scores of nine students in two set of test…

(Please only use the information I have posted) We need to find the confidence i

(Please only use the information I have posted) We need to find the confidence interval for the SLEEP variable. To do this, we need to find the mean and then find the maximum erro…

(Please read the article and answer those 3 questions because they all one part)

(Please read the article and answer those 3 questions because they all one part) Acrobat Reader File Edit View Window Help Q3U.S. 3696D, Mon 12:50 PM E An Economic Perspective on …

(Please read the article and answer those 3 questions because they all one part)

(Please read the article and answer those 3 questions because they all one part) Acrobat Reader File Edit View Window Help Q3U.S. 3696D, Mon 12:50 PM E An Economic Perspective on …

(Please show work and state correct answer very sensitive) 2. A company that doe

(Please show work and state correct answer very sensitive) 2. A company that does manufacturing work has one facility that is automated and one that has manual functions. In order…

(Please show work and state correct answer very sensitive) A company that does m

(Please show work and state correct answer very sensitive) A company that does manufacturing work has one facility that is automated and one that has manual functions. In order to…

(Please show work) If np is greater than or equals 5 and nq is greater than or e

(Please show work) If np is greater than or equals 5 and nq is greater than or equals 5, estimate P(more than 9) with n equals 12 and p equals 0.7 by using the normal distribution…

(Poisson) The demand for a particular type of pump at an isolated mine is random

(Poisson) The demand for a particular type of pump at an isolated mine is random and independent of previous occurrences, but the average demand in a week (7 days) is for 2.8 pump…

(Population Growth) Over a short interval of time, population grows at a rate di

(Population Growth) Over a short interval of time, population grows at a rate directly proportional to the Size of the population at that time, if P(t) represents the population a…

(Present value) The present value of a promise to pay one dollar t years from no

(Present value) The present value of a promise to pay one dollar t years from now is g(t) dollars. (a) What is g(0)? (b) Why is it reasonable to assume that g(t) <= I and that …

(Probability Distribution, Mean, and Standard Deviation.) An article in Informat

(Probability Distribution, Mean, and Standard Deviation.) An article in Information Security Technical Report ("Malicious Software-Past, Present and Future" (2004, Vol. 9, pp. 6-1…

(Problem 6) A statistics instructor believes that 50% of his students are male.

(Problem 6) A statistics instructor believes that 50% of his students are male. One of his students thinks there are more males than females taking statistics, so he decides to co…

(Problem 8) Researchers interviewed young adults in Canada and the U.S to compar

(Problem 8) Researchers interviewed young adults in Canada and the U.S to compare their ages when they enter the workforce. The mean age of the 100 Canadians was 18 with a standar…

(Problem re-worded slightly to make the claim more explicit.) Adults aged 18 yea

(Problem re-worded slightly to make the claim more explicit.) Adults aged 18 years old and older were randomly selected for a survey on obesity. Adults are considered obese if the…

(Problems 6 - 10) An investigator polls a representative sample of common cold s

(Problems 6 - 10) An investigator polls a representative sample of common cold sufferers, asking them to estimate the number of hours of physical discomfort caused by their most r…

(Proof techniques.) You’re a programmer! You’ve found yourself dealing with a pr

(Proof techniques.) You’re a programmer! You’ve found yourself dealing with a program mystery(n) that has no comments in its code, and you want to know what it does. After some ex…

(Properties for type-R thermocouple are pure Pt) The type-R thermocouple is to m

(Properties for type-R thermocouple are pure Pt) The type-R thermocouple is to measure a gas stream at 500 deg C and is initially at 20 deg C. The junction is formed by melting th…

(Proportion of Total Assets invested in Stocks) In the last decade stockbrokers

(Proportion of Total Assets invested in Stocks) In the last decade stockbrokers have drastically changed the way they do business. Internet trading has become quite common and onl…

(Prove or Disprove) Z x m n = Z x m × Z x n Solution If m is any non-zero intege

(Prove or Disprove) Zxmn = Zxm × Zxn

(Q #2) It is desired to test the hy significance. Assume that the population sta

(Q #2) It is desired to test the hy significance. Assume that the population standard deviation is 14. Calculate the probability of committing type II error if the true population…

(Q or the final exam in an engineering statistics course are known to be normall

(Q or the final exam in an engineering statistics course are known to be normally distributed with an average of 71 and a variance of 21, If a sample of 25 students taking the fin…

(Q1) What is the forecast for May, June and July based on a 3-month weighted mov

(Q1) What is the forecast for May, June and July based on a 3-month weighted moving average applied to the following past demand data and using the weights: 5, 4, and 3 (greatest …

(Q1) What is the forecast for May, June and July based on a 3-month weighted mov

(Q1) What is the forecast for May, June and July based on a 3-month weighted moving average applied to the following past demand data and using the weights: 5, 4, and 3 (greatest …

(Q2) Consider a transshipment problem (TP) with digraph D (N, A), are costs w E

(Q2) Consider a transshipment problem (TP) with digraph D (N, A), are costs w E RA and node demands b ERN. Consider a pivot (iteration) of the network simplex method (NSM) applied…

(Q24-Q25) Suppose the mean selling price of a gallon of gasoline in Sacramento i

(Q24-Q25) Suppose the mean selling price of a gallon of gasoline in Sacramento is $3.70. Further, assume the population distribution is highly positively skewed, with a population…

(Q24-Q25) Suppose the mean selling price of a gallon of gasoline in Sacramento i

(Q24-Q25) Suppose the mean selling price of a gallon of gasoline in Sacramento is $3.70. Further, assume the population distribution is highly positively skewed, with a population…

(Q24-Q25) Suppose the mean selling price of a gallon of gasoline in Sacramento i

(Q24-Q25) Suppose the mean selling price of a gallon of gasoline in Sacramento is $3.70. Further, assume the population distribution is highly positively skewed, with a population…

(Q24-Q25) Suppose the mean selling price of a gallon of gasoline in Sacramento i

(Q24-Q25) Suppose the mean selling price of a gallon of gasoline in Sacramento is $3.70. Further, assume the population distribution is highly positively skewed, with a population…

(Quantifiers.) (a) Without using any words of negation (i.e. without using the w

(Quantifiers.) (a) Without using any words of negation (i.e. without using the words not, no, nor, neither,. . . ), write down a sentence that describes the negation of the follow…

(Quantifiers.) (a) Without using any words of negation (i.e. without using the w

(Quantifiers.) (a) Without using any words of negation (i.e. without using the words not, no, nor, neither,. . . ), write down a sentence that describes the negation of the follow…

(Quantifiers.) (a) Without using any words of negation (i.e. without using the w

(Quantifiers.) (a) Without using any words of negation (i.e. without using the words not, no, nor, neither,. . . ), write down a sentence that describes the negation of the follow…

(Question 1) In a random sample of 33criminals convicted of a certain crime, it

(Question 1) In a random sample of 33criminals convicted of a certain crime, it was determined that the mean length of sentencing was 62 months, with a standard deviation of 8 mon…

(Question 1) In a random sample of 33criminals convicted of a certain crime, it

(Question 1) In a random sample of 33criminals convicted of a certain crime, it was determined that the mean length of sentencing was 62 months, with a standard deviation of 8 mon…

(Question 1) Multiple Choice (15 pts) 1.A. (5 pts) You went to a casino to play

(Question 1) Multiple Choice (15 pts) 1.A. (5 pts) You went to a casino to play Texas holdem poker. The dealer gives you 5 cards from a deck of 52 cards. What is the probability t…

(Question 1) What statistical procedure can be used to test whether there is a s

(Question 1) What statistical procedure can be used to test whether there is a significant difference in the median gray levels between cataractous and normal eyes? (Question 2) C…

(Question 1) What statistical procedure can be used to test whether there is a s

(Question 1) What statistical procedure can be used to test whether there is a significant difference in the median gray levels between cataractous and normal eyes? (Question 2) C…

(Question 1.1 and 1.2 Please post every code used to get results, \"the code and

(Question 1.1 and 1.2 Please post every code used to get results, "the code and the results gotten") Question 1.1. For a t-distribution with 25 degrees of freedom, find P(t < 2…

(Question 1.1 and 1.2 Please post every code used to get results, \"the code and

(Question 1.1 and 1.2 Please post every code used to get results, "the code and the results gotten") Question 1.1. For a t-distribution with 25 degrees of freedom, find P(t < 2…

(Question 14) 2 pts In a survey of first graders, their mean height was 51.6 inc

(Question 14) 2 pts In a survey of first graders, their mean height was 51.6 inches with a standard deviation of 3.6 inches. Assuming the heights are normally distributed, what he…

(Question 2) Short Questions (45 pts) 2.A (20 pts) You running an experiment tha

(Question 2) Short Questions (45 pts) 2.A (20 pts) You running an experiment that costs $50. There are four possible outcomes for the results from the experiment. outcome Symbol v…

(Question 6: 10 points) Consider a following configuration of a system (a collec

(Question 6: 10 points) Consider a following configuration of a system (a collection of components). The system has two components arranged in a sequential manner, i.e, the input …

(Question A) A test for comparing two population means is conducted at a 5% sign

(Question A) A test for comparing two population means is conducted at a 5% significance level. The p-value is determined to be 0.09. The null hypothesis: -must be rejected -has b…

(Question II: 25 pts) An auto insurance company sent a survey for its customers.

(Question II: 25 pts) An auto insurance company sent a survey for its customers. The survey consists of two questions 1) What is the current deductible on your auto insurance poli…

(Questions 1-4) Looking at Dole and Lewis textbook Figure 4.4 and Figure 4,3, yo

(Questions 1-4) Looking at Dole and Lewis textbook Figure 4.4 and Figure 4,3, you will evaluate Lift Curve slope Parameters of a Symmetrical (NACA 0012) and Cambered Airfoil (NACA…

(Questions In A manager at o loent bank analyzed the relationship between monthl

(Questions In A manager at o loent bank analyzed the relationship between monthly salary and three independe variablen length of Service (monorel in montis), Gender (0 female, I -…