Mathematics problem solving

1) You are invited to a poker game in which 10 people play. $75 goes to the winn

1) You are invited to a poker game in which 10 people play. $75 goes to the winner, $50 goes to second place, and $25 goes to third, You feel that you are a better player than ave…

1) You are planning a reunion event with some high school friends. You are going

1) You are planning a reunion event with some high school friends. You are going to rent an event hall and everyone will split the cost evenly. For example, if the hall costs $120…

1) You are reading an article in your field that reports several statistical ana

1) You are reading an article in your field that reports several statistical analyses. The article says that the P-value for a significance test is 0.045. Is this result significa…

1) You are structuring a Performance Based Logistics (PBL) Product Support Arran

1) You are structuring a Performance Based Logistics (PBL) Product Support Arrangement (PSA) for a legacy system. A key military depot will assume the top level integration functi…

1) You are trying to determine the statistical significance of an equation. Give

1) You are trying to determine the statistical significance of an equation. Given the following information, test the slope of the equation at the 90% level of confidence. Select …

1) You have $2500 to invest, and you have two options: Option A: 1.725% compound

1) You have $2500 to invest, and you have two options: Option A: 1.725% compounded semiannually Option B: 1.675% compounded continuously. (a) Calculate the annual percentage yi…

1) You have a sample of 13 pea flowers. 5 of them are white, 8 purple. If you li

1) You have a sample of 13 pea flowers. 5 of them are white, 8 purple. If you line them up in a row, how many different arrangements can you get? Note: WWWWWPPPPPPPP is one arrang…

1) You have a sample of 13 pea flowers. 5 of them are white, 8 purple. If you li

1) You have a sample of 13 pea flowers. 5 of them are white, 8 purple. If you line them up in a row, how many different arrangements can you get? Note: WWWWWPPPPPPPP is one arrang…

1) You have been asked to determine the relative error of the regression. The Su

1) You have been asked to determine the relative error of the regression. The Sum of Standard Error of the Estimate (SEE) is .050 fit space and the average cost is 3.65, what is t…

1) You have been told that 10% of your workforce has two or more jobs. You would

1) You have been told that 10% of your workforce has two or more jobs. You would like to verify this and decide to take a random sample of 50 employees. In your sample, you find o…

1) You have collected quarterly data for real GDP ( over time and have estimated

1) You have collected quarterly data for real GDP ( over time and have estimated the following model: 7.866 + 0.00679·Z, (0.007) (0.00008) In y, = 20.98, SER-0.036 Standard errors…

1) You know that y\'[x] = a y[x] for all x \'s but DO NOT know the value of a .

1) You know that y'[x] = a y[x] for all x 's but DO NOT know the value of a . How many data points of the form {x, y[x]} do you need to determine a formula for y[x] ? 2) You know …

1) You own 6 songs by Adele, 4 by Katy Perry, and 5 by Lady Gaga. How many diffe

1) You own 6 songs by Adele, 4 by Katy Perry, and 5 by Lady Gaga. How many different playlists can you make that consist of 4 Adele songs, 3 Perry songs, and 2 Gaga songs, if you …

1) You perform the following regression: Studentw = –229.92 – 6.52 × Female + 0.

1) You perform the following regression: Studentw = –229.92 – 6.52 × Female + 0.51 × Sibs+ 5.58 × Height, R2=0.50, SER = 21.08 where Studentw is in pounds, Height is in inches, Fe…

1) You perform the following regression: Studentw = –229.92 – 6.52 × Female + 0.

1) You perform the following regression: Studentw = –229.92 – 6.52 × Female + 0.51 × Sibs+ 5.58 × Height, R2=0.50, SER = 21.08 where Studentw is in pounds, Height is in inches, Fe…

1) You play a game in which the probability of winning is 24 percent. If you win

1) You play a game in which the probability of winning is 24 percent. If you win, you win 4 dollars and if you lose, you lose 2 dollars. In 80 plays, you will lose _____ dollars, …

1) You prepare a stock solution (highly concentrated) of sugar water with a conc

1) You prepare a stock solution (highly concentrated) of sugar water with a concentration of 500 mg/ml. You need to make a new solution that is half as concentrated and has a fina…

1) You\'re an undercover biological weapons agent who has been given an unknown

1) You're an undercover biological weapons agent who has been given an unknown liquid - you suspect that it is just sugar water (because you drank some by accident - you know you'…

1) Your beginning salary as an analyst in the HIM department is $12.50 per hour.

1) Your beginning salary as an analyst in the HIM department is $12.50 per hour. You are due to receive a 3.5 percent cost of living adjustment (raise) in your next paycheck. Your…

1) Your company is evaluating two cloud-based secured data storage services. “Pi

1) Your company is evaluating two cloud-based secured data storage services. “Pie in the Sky,” the newer service, claims its uploading and downloading speeds are faster than the o…

1) Zhi observes that drawing a red face card from the full standard deck would w

1) Zhi observes that drawing a red face card from the full standard deck would win the game. She knew the chances of drawing a face card that was red were not very high. However, …

1) [10 points] A small investment firm has two trading desks and the 5% Expected

1) [10 points] A small investment firm has two trading desks and the 5% Expected Shortfall (ES) for the two desks has been computed to be $2 million and $0.9 million respectively.…

1) [10 points] A small investment firm has two trading desks and the 5% Expected

1) [10 points] A small investment firm has two trading desks and the 5% Expected Shortfall (ES) for the two desks has been computed to be $2 million and $0.9 million respectively.…

1) [10 points] From past experience, you know that the dependence in the returns

1) [10 points] From past experience, you know that the dependence in the returns on two assets tends to increase when the market takes a down turn (i.e. when both assets end up ha…

1) [10 points] From past experience, you know that the dependence in the returns

1) [10 points] From past experience, you know that the dependence in the returns on two assets tends to increase when the market takes a down turn (i.e. when both assets end up ha…

1) [11 a) An ipints] FE-Style Questions. Cirele the correct answer. Make sure yo

1) [11 a) An ipints] FE-Style Questions. Cirele the correct answer. Make sure you show all of your work! s cost distribituion is given below. What is the approximate expected cost…

1) [15 points] It is known that the two variables and have variances 5 and 7 res

1) [15 points] It is known that the two variables and have variances 5 and 7 respectively. The covariance between them is known to be . [5points] a) What is the correlation betwee…

1) [15 points] It is known that the two variables and have variances 5 and 7 res

1) [15 points] It is known that the two variables and have variances 5 and 7 respectively. The covariance between them is known to be . [5points] a) What is the correlation betwee…

1) a colony of an animal begins with one pair of mature animals, which will prod

1)a colony of an animal begins with one pair of mature animals, which will produce a pair of offspring (on male, one female) after two months. Assume that all animals mature in 2 …

1) a contractor builds boathouses in two basic models: theatlantic and the pacif

1) a contractor builds boathouses in two basic models: theatlantic and the pacific. each atlantic model requires $1000 feetof framing lumber, $3000 cubic feet of concrete, and $20…

1) a genetic experiment with peas resulted in one sample of offspring that consi

1) a genetic experiment with peas resulted in one sample of offspring that consisted of 430 green peas and 163 yellow peas. a. Construct a 95% confidence interval to estimate of t…

1) a heat-seeking particle has the property that at any point (x,y) in the plane

1) a heat-seeking particle has the property that at any point (x,y) in the plane it moves in the direction of maximum temperature increase. If the temperature at (x,y) is T(x,y) =…

1) a nutritionist wants to determine how much time nationally people spend eatin

1) a nutritionist wants to determine how much time nationally people spend eating and drinking. Suppose for a random sample of 1018 people age 15 or older, the mean amount of time…

1) a password of length 7 is to be generated which contains only two of the lett

1) a password of length 7 is to be generated which contains only two of the letters from a-z , one letter repeated 3 times and the other letter repeated 4 times. how many such pas…

1) a straight line is given by the path vector R(t) = (1+t)i hat + (3t) j hat +

1) a straight line is given by the path vector R(t) = (1+t)i hat + (3t) j hat + (1-t) k hat a. find a non-zero vector parallel to this line b. for what value of c and d will this …

1) a straight line is given by the path vector R(t) = (1+t)i hat + (3t) j hat +

1) a straight line is given by the path vector R(t) = (1+t)i hat + (3t) j hat + (1-t) k hat a. find a non-zero vector parallel to this line b. for what value of c and d will this …

1) a wind with velocity 45 miles per hour is blowing in the direction N 20 degre

1) a wind with velocity 45 miles per hour is blowing in the direction N 20 degrees W. An airplane that flies at 425 miles per hour in still air is supposed to fly straight North. …

1) a worksheet labeled ‘ Scatterplot ’containing a labeled (males and females in

1)a worksheet labeled ‘Scatterplot’containing a labeled (males and females in different colors) scatterplot similar to the one you created in the Learn by Doing on p. 51 of the OL…

1) absolutely convergent 2) conditionally convergent 3) divergent 1) absolutely

1) absolutely convergent 2) conditionally convergent 3) divergent 1) absolutely convergent 2) conditionally convergent 3) divergent 1) absolutely convergent 2) conditionally conve…

1) b) The expected value of perfect information (EVPI) for Andrew Thomas = (ente

1) b) The expected value of perfect information (EVPI) for Andrew Thomas = (enter your answer as a whole number) 2) b) The expected value with perfect information (EVwPI) =$____…

1) calculate the are of the parallelogram defined by the vectors =+2v , b= - v w

1) calculate the are of the parallelogram defined by the vectors =+2v , b= - v where =[1,1,1], v=[2,1,1] 2) find parallel (i.e. ||) and normal (i.e. ) component of the vector =d^2…

1) calculate the correlation coefficient between all pairs of these eight variab

1) calculate the correlation coefficient between all pairs of these eight variables. Report those correlation coefficients in the table below to the nearest three decimal places. …

1) cauchy canners produces canned corn, beans, and carrots.demand for vegetables

1) cauchy canners produces canned corn, beans, and carrots.demand for vegetables requires the company to produce at least 1000cases per month. based on past sales, it should produ…

1) concider the following data men (I) women(II) Samplesize 100 100 Mean 12,850

1) concider the following data men (I) women(II) Samplesize 100 100 Mea…

1) concider the following data men (I) women(II) Samplesize 100 100 Mean 12,850

1) concider the following data men (I) women(II) Samplesize 100 100 Mea…

1) consider the following separation of materials. state weather a physical proc