Mathematics problem solving
178175 questions • Page 35 / 3564
(6 points) For each experiment below, choose a design that seems most appropriat
(6 points) For each experiment below, choose a design that seems most appropriate and write a few sentences describing your proposed design : Completely Randomized Design, Cross-O…
(6 points) In a survey of 208 people, the following data were obtained relating
(6 points) In a survey of 208 people, the following data were obtained relating gender to political orientation Republican (R) Democrat (D)/Libertarian(L/Total Male (M) Femal (F 1…
(6 points) Janet bakes a cake in the shape of a cube with side length z (in inch
(6 points) Janet bakes a cake in the shape of a cube with side length z (in inches). She makes a vertical cut parallel to one of the sides, resulting in a slice with width y where…
(6 points) Twenty (20) rats were paired according to certain salient characteris
(6 points) Twenty (20) rats were paired according to certain salient characteristics so that the 10 pairs have similar conditions. The members of each pair have been randomly assi…
(6 points) When typing blood, there are four main blood groups: O, A, B and AB.
(6 points) When typing blood, there are four main blood groups: O, A, B and AB. It is suspected that the proportion of people with these blood groups is not equal. An X ^2 goodnes…
(6 pts) 21.) In ME455 class (2017 Fall), students measured a time interval using
(6 pts) 21.) In ME455 class (2017 Fall), students measured a time interval using their cell phone stop watch. The timer was set to to= 5 seconds and was measured five times. The d…
(6 pts) A report says that 82% of British Columbians over the age of 25 are high
(6 pts) A report says that 82% of British Columbians over the age of 25 are high school graduates. A survey of randomly selected British Columbians included 1290 who were over the…
(6 pts) Consider the second order linear differential equation a. Solve the diff
(6 pts) Consider the second order linear differential equation a. Solve the differential equation. Use A and B to denote arbitrary constants and t the independent variable. b. Wri…
(6 pts) Short answers. We are to compare the effect of amount of water taken on
(6 pts) Short answers. We are to compare the effect of amount of water taken on the weight of people. To test this, we had subjects of 20 people to have 5 oz. of water a day for 2…
(6 pts. + 1 pt. BONUS) 2. The Boeing 747-8 is a technologically advanced aircraf
(6 pts. + 1 pt. BONUS) 2. The Boeing 747-8 is a technologically advanced aircraft with a new wing design and GEnx-2B engines, and is capable of holding more passengers and payload…
(6 pts. + 1 pt. BONUS) 2. The Boeing 747-8 is a technologically advanced aircraf
(6 pts. + 1 pt. BONUS) 2. The Boeing 747-8 is a technologically advanced aircraft with a new wing design and GEnx-2B engines, and is capable of holding more passengers and payload…
(6%) Problem 10: A rectangular loop with L1 0.15 m and L2 085 m is sitting in a
(6%) Problem 10: A rectangular loop with L1 0.15 m and L2 085 m is sitting in a magnetic field B 0.35 Tas shown in the figure. There is a counterclockwise B current 0.25 A in the …
(6) 3. The accompanying data (see web site, C2) set consists of 27 observations
(6) 3. The accompanying data (see web site, C2) set consists of 27 observations on flexural strength (MPa) for concrete beams of a certain type. -2198, -1860.94. a) Calculate a po…
(6) A frozen vegetable supplier makes two brands of mixed vegetables. Brand A co
(6) A frozen vegetable supplier makes two brands of mixed vegetables. Brand A contains 20% beans, 25% carrots, 25% peas and 30% sweet corn and yields a profit of $5 per kilo sold.…
(6) A random sample of 67 lab rats are enticed to run through a maze, and a 90%
(6) A random sample of 67 lab rats are enticed to run through a maze, and a 90% confidence interval is constructed of the mean time it takes these 67 rats to complete the maze. Sp…
(6) An oil exploration company currently has two active projects, one in Asia an
(6) An oil exploration company currently has two active projects, one in Asia and the other in Europe. Let A be the event that the Asian project is successful and B be the event t…
(6) Consider a statistical population consisting of N values Vi, ,UN, and let m\
(6) Consider a statistical population consisting of N values Vi, ,UN, and let m', denote the population mean value, variance and standard deviation. (a) Suppose that the vi values…
(6) Identify the type of sampling used when a sample is obtained as described. (
(6) Identify the type of sampling used when a sample is obtained as described. (I) A complete list of all stockholders is compiled and every 500h name is selected. (II) Telephone …
(6) Let A be a 200 × 200 matrix with determinant 3. what is the determinant of A
(6) Let A be a 200 × 200 matrix with determinant 3. what is the determinant of AT? (7) Let A be a 400 × 400 matrix with determinant 3, LetB be the matrix formed by swapping the se…
(6) Let f(r, y)-a2 +3y2 +1. Prove directly from the definition that thus functio
(6) Let f(r, y)-a2 +3y2 +1. Prove directly from the definition that thus function is differentiable at (xo, Jo)- (1,2) (7) Use the chain rule to compute w'-f(x(t,y(t)) for the fol…
(6) Let\'s count! (You DO NOT need to simplify your answers) (a) How many differ
(6) Let's count! (You DO NOT need to simplify your answers) (a) How many different cannot be 0 or 1? t seven-digit telephone numbers are possible if the first digit n (b) A multip…
(6) Let\'s count! (You DO NOT need to simplify your answers) (a) How many differ
(6) Let's count! (You DO NOT need to simplify your answers) (a) How many different cannot be 0 or 1? t seven-digit telephone numbers are possible if the first digit n (b) A multip…
(6) Suppose one type of cicada insect appears every 14 years and another type ap
(6) Suppose one type of cicada insect appears every 14 years and another type appears IntßUI alla the least common multiple of 78 and 52. every 21years. If they both appear this y…
(6) The battery lives for the Hoverboard 360 are normally distributed with a mea
(6) The battery lives for the Hoverboard 360 are normally distributed with a mean of 124 days and a standard deviation of g days (a) Batteries that last under 110 days are conside…
(6) Three logicians, A, B, and C, are nvited to play a curious game. From a coll
(6) Three logicians, A, B, and C, are nvited to play a curious game. From a collection of four green and four red stamps, two will be pasted on each of their foreheads, and the re…
(6) Venn This information a group\'s viewing habits over the last year revealed
(6) Venn This information a group's viewing habits over the last year revealed the following ·28% watched gymnastics. ·29% watched baseball. +19% watched soccer. ·14% watched gymn…
(6.25 Points) FOR THE FOLLOWING QUESTION, DO NOT USE EXISTING DATA USED IN CLASS
(6.25 Points) FOR THE FOLLOWING QUESTION, DO NOT USE EXISTING DATA USED IN CLASS. POINTS WILL BE DEDUCTED FOR USING THE SAME DATA. In Microsoft Excel, compute the table below: XBa…
(696) Problem 16: Two sprinters leave the starting gate at the same time at the
(696) Problem 16: Two sprinters leave the starting gate at the same time at the beginning of a straight track. The masses of the two sprinters are 52.5 kg and 63 kg. Randomized Va…
(6@) Let A= [ -8 -5 5] B= [4 2 -3] and C= [24 13 -17] Determine if the vectors a
(6@) Let A= [ -8 -5 5] B= [4 2 -3] and C= [24 13 -17] Determine if the vectors are linearly independent or l…
(6pts.) Find the absolute maximum and minimum values of f(x) = x3 + 3x2-2 on the
(6pts.) Find the absolute maximum and minimum values of f(x) = x3 + 3x2-2 on the closed interval [-1,1]. (6pts.) A particle moves along the x-axis with an acceleration given by a(…
(7 marks) A group a students were asked if they carry an ATM card The responses
(7 marks) A group a students were asked if they carry an ATM card The responses are listed in t table below. Class Freshman 44 Sophomore Total ATM card carrier Not an AT'M card ca…
(7 marks) A group a students were asked if they carry an ATM card The responses
(7 marks) A group a students were asked if they carry an ATM card The responses are listed in t table below. Class Freshman 44 Sophomore Total ATM card carrier Not an AT'M card ca…
(7 of 10) Consider a variable W with a continuous uniform distribution W-U.(0.3,
(7 of 10) Consider a variable W with a continuous uniform distribution W-U.(0.3, 7.3) What is the probability that a new randomly drawn case will have a value in the interval (1.3…
(7 of 10) Consider a variable W with a continuous uniform distribution W-U.(0.3,
(7 of 10) Consider a variable W with a continuous uniform distribution W-U.(0.3, 7.3) What is the probability that a new randomly drawn case will have a value in the interval (1.3…
(7 points) A random sample of registered voters from Tampa, FL were asked if the
(7 points) A random sample of registered voters from Tampa, FL were asked if they thought workers who have illegally entered the US should be () allowed to keep their jobs and app…
(7 points) A researcher for Agri-Giant Corporation wants to study how many pound
(7 points) A researcher for Agri-Giant Corporation wants to study how many pounds of tomatoes are typically picked by a manual labourer in an 8-hour day. The Corporation will cons…
(7 points) A researcher for Agri-Giant Corporation wants to study how many pound
(7 points) A researcher for Agri-Giant Corporation wants to study how many pounds of tomatoes are typically picked by a manual labourer in an 8-hour day. The Corporation will cons…
(7 points) A statistics student at a small liberal arts college who is curious a
(7 points) A statistics student at a small liberal arts college who is curious about the relationship between the amount of time students at his college spend on social networking…
(7 points) A statistics student at a small liberal arts college who is curious a
(7 points) A statistics student at a small liberal arts college who is curious about the relationship between the amount of time students at his college spend on social networking…
(7 points) Consider two job offers with salaries that increase exponentially. a.
(7 points) Consider two job offers with salaries that increase exponentially. a. For Job A, the salary for year 1 is $29,000 while the salary for year 2 will be $31,175. i. What i…
(7 points) In Pullman, one of the largest engineering firms is Schweitzer Engine
(7 points) In Pullman, one of the largest engineering firms is Schweitzer Engineering Labs (SEL). One of the products they produce is 1000 ?m diameter fiber optic cables. The tole…
(7 points) On the next page, there are some data presented for a SPSS analysis o
(7 points) On the next page, there are some data presented for a SPSS analysis of the effect of diet type (three different diets) on clutch size of zebra finches. 8. What are the …
(7 pts) 3. The temperatures, in degrees Celsius, of frozen dinners in a refriger
(7 pts) 3. The temperatures, in degrees Celsius, of frozen dinners in a refrigerated truck have a standard normal distribution. If a frozen dinner is selected at random from the t…
(7 pts) From previous studies, it has been generally believed that Northern Hemi
(7 pts) From previous studies, it has been generally believed that Northern Hemisphere icebergs have a mean depth of 270 meters and a standard deviation of 20 meters. An environme…
(7 pts) The temperature at a point (x,y,z) is given by T(x, y, z) = 200e^x^2-y^2
(7 pts) The temperature at a point (x,y,z) is given by T(x, y, z) = 200e^x^2-y^2 /4-z^2 /9, where T is measured in degrees celsius and x,y, and z in meters. There are lots of plac…
(7 pts) Three prisoners A, B, and C on death row know that exactly two of them a
(7 pts) Three prisoners A, B, and C on death row know that exactly two of them are going to be executed, but they do not know which two. Prisoner A knows that the jailer will not …
(7(21) Workers at a certain soda drink factory collected data on the volumes (in
(7(21) Workers at a certain soda drink factory collected data on the volumes (in ounces) of a simple random sample of 19 cans of the soda drink. Those volumes have mean of 12.19 o…
(7) A political party claims that its presidential candidate has 55% support in
(7) A political party claims that its presidential candidate has 55% support in the New England states. To test this claim, a political fact-checking agency took a random sample o…
(7) DISCRETE MATH: Please help me to answer this question and show all of your w
(7) DISCRETE MATH: Please help me to answer this question and show all of your work. FOLLOW MY DIRECTIONS too or I will leave negative feedback, regardless of your answer! ~*~* DO…
(7) During the peak of the holiday season, if you are trying to travel from Akro
(7) During the peak of the holiday season, if you are trying to travel from Akron to Miami, you can go through either Atlanta or Chicago or Washington DC, 50% of the flights out o…
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