Mathematics problem solving

1)Calories per serving of vanilla yogurt Consumer Reports tested 20 brands of va

1)Calories per serving of vanilla yogurt Consumer Reports tested 20 brands of vanilla yogurt and found the following numbers of calories per serving: (a) Find the mean. (Round you…

1)Coal is carried from a mine in West Virginia to a power plant in New York in h

1)Coal is carried from a mine in West Virginia to a power plant in New York in hopper cars on a long train. The automatic hopper car loader is set to put 82 tons of coal into each…

1)Compute the expected return of an asset given these three economic states, the

1)Compute the expected return of an asset given these three economic states, their likelihoods, and the potential returns: Economic State          Probability         Return   Fas…

1)Confidence interval is obtained as Select one: a. point estimate ± critical va

1)Confidence interval is obtained as Select one: a. point estimate ± critical value b. point estimate ± standard error c. point estimate ± margin of error 2) Given the sample prop…

1)Confidence interval is obtained as Select one: a. point estimate ± critical va

1)Confidence interval is obtained as Select one: a. point estimate ± critical value b. point estimate ± standard error c. point estimate ± margin of error 2) Given the sample prop…

1)Connely can mow her lawn at a constant rate of 105 ft/minute, which implies th

1)Connely can mow her lawn at a constant rate of 105 ft/minute, which implies that every minute she can mow 105 ft2 a) Write a sentence that gives a more comprehensive meaning of …

1)Describe using pseudocode an algorithm that takes a list of n integers a1,a2,…

1)Describe using pseudocode an algorithm that takes a list of n integers a1,a2,…,an and finds the sum of all positive integers in the list 2)The bubble sort algorithm discussed in…

1)Descriptive analysis of each of the variables: measures of central tendency, d

1)Descriptive analysis of each of the variables: measures of central tendency, dispersion and slant.              2)The density function for the difference between the average pro…

1)Determine the test statistic the a size of a new house built in a certain coun

1)Determine the test statistic the a size of a new house built in a certain county in 2006 was 2,274 square feet. A random sample of 30 new homes built in this county was selected…

1)Does a large proportion of all car drivers break speed limit (in the long run)

1)Does a large proportion of all car drivers break speed limit (in the long run)? 2)What is the probability that a randomly chosen car has a speed between 60 and 70 km / h? In one…

1)Does a large proportion of all car drivers break speed limit (in the long run)

1)Does a large proportion of all car drivers break speed limit (in the long run)? 2)What is the probability that a randomly chosen car has a speed between 60 and 70 km / h? In one…

1)Explain what each of the following mathematical statements mean in regard to t

1)Explain what each of the following mathematical statements mean in regard to the graph of f(x).With your explanation, include a DIAGRAM for each part.Also Indicate whether the s…

1)Explain what each of the following mathematical statements mean in regard to t

1)Explain what each of the following mathematical statements mean in regard to the graph of f(x).With your explanation, include a DIAGRAM for each part.Also Indicate whether the s…

1)Explain what each of the following mathematical statements mean in regard to t

1)Explain what each of the following mathematical statements mean in regard to the graph of f(x).With your explanation, include a DIAGRAM for each part.Also Indicate whether the s…

1)Explain what each of the following mathematical statements mean in regard to t

1)Explain what each of the following mathematical statements mean in regard to the graph of f(x).With your explanation, include a DIAGRAM for each part.Also Indicate whether the s…

1)FACTOR AND SOLVE TO TWO DECIMAL PLACES: 2sin^2x+sinx=0 DOMAIN 0_

1)FACTOR AND SOLVE TO TWO DECIMAL PLACES: 2sin^2x+sinx=0 DOMAIN 0_<x_<2pi 2)Prove the isentity: tantheta-1=sin^2theta-cos^2theta/sinthetacostheta+cos^2theta 3)WRITE the equa…

1)FACTOR AND SOLVE TO TWO DECIMAL PLACES: 2sin^2x+sinx=0 DOMAIN 0_

1)FACTOR AND SOLVE TO TWO DECIMAL PLACES: 2sin^2x+sinx=0 DOMAIN 0_<x_<2pi 2)Prove the isentity: tantheta-1=sin^2theta-cos^2theta/sinthetacostheta+cos^2theta 3)WRITE the equa…

1)Factor out the greatest common factor. 4u(4v2 + w) + 3v(4v2 + w) 2) Factor the

1)Factor out the greatest common factor. 4u(4v2 + w) + 3v(4v2 + w) 2) Factor the polynomial. (If the polynomial is prime, enter PRIME.) 4u2 + 17uv 15v2 3)Factor the polynomial. (I…

1)Final averages are typically apploximately normally distributed with a mean of

1)Final averages are typically apploximately normally distributed with a mean of 72 and a standard deviation of 12.5. Your professor says that the top 8% of the class will receive…

1)Find the amount if $2000 is invested at 5% compounded continuously for 4 years

1)Find the amount if $2000 is invested at 5% compounded continuously for 4 years. 2)Find the principal needed now to get $600 in 3 months at 5% compounded continuously. 3)If $1000…

1)Find the area of the region bounded by the curves y = x and y = sin(x) and the

1)Find the area of the region bounded by the curves y = x and y = sin(x) and the lines x = 0 and x = pi/2 2)Use the Trapezoidal Rule with n = 2 to approximate the integral 1,0) x…

1)Find the area of the region bounded by the curves y = x^2 + 1 and y = 2. 2)Fin

1)Find the area of the region bounded by the curves y = x^2 + 1 and y = 2. 2)Find the area of the region bounded by the curves y = x^2 and y = x^4. 3)Find the area of the region b…

1)Find the probability of winning second prize—that is, picking five of the six

1)Find the probability of winning second prize—that is, picking five of the six winning numbers—with a 6/55 lottery. (Enter your answer as a fraction.) 2)You order sixteen burrito…

1)Find the rate of change. Area of a square with respect to its side s when s =

1)Find the rate of change. Area of a square with respect to its side s when s = 8. ____ square units per increase 2) The temperature (in degrees C) of an object at time t (in minu…

1)Fluroide-20 is a radio active substance that decays over time. At time 0, the

1)Fluroide-20 is a radio active substance that decays over time. At time 0, the mass of a sample of the substance is 20 g. The mass decreases to 10 g after 11 s, to 5 g after 22 s…

1)For all u, v E R^3, we have u . (u x v) = 0 2)For all vectors x, y E R^2, we h

1)For all u, v E R^3, we have u . (u x v) = 0 2)For all vectors x, y E R^2, we have proj x = proj y? 3)If there are more variables than equations in a system of linear equations, …

1)For h(x)=3x^2+4x+2, determine the average rate of change of h(x) with respect

1)For h(x)=3x^2+4x+2, determine the average rate of change of h(x) with respect to x for the interval 5_<x_<7, the find the instantaneous rate of change of h(x) at the midpo…

1)For the line l passing through the points (1,0,1) and (2,4,7), what is the val

1)For the line l passing through the points (1,0,1) and (2,4,7), what is the value of c in the following symmetric equations for l ? x-1=y/4=(z-1)/c 2)Let a=2i+j-k and b=i+2j+3k, …

1)Funtion f(x)=2/x+5 what should the correct statement be: a)As x--->infintiy, f

1)Funtion f(x)=2/x+5  what should the correct statement be: a)As x--->infintiy, f(x)---> +infinity b)As x--->+infinity, f(x)-->0 c)As x-->5^+, f(x)-->+infinity d…

1)Give the slope of the tangent line to the graph of f(x)= x^3 +2x^2 -7x -1 at t

1)Give the slope of the tangent line to the graph of f(x)= x^3 +2x^2 -7x -1 at the pint where x=2. 2)Give the slope of the normal line to the graph of f(x)= x^3 +2x^2 -7x -1 at th…

1)Given an ordinary deck of cards, what is the probability that a single card dr

1)Given an ordinary deck of cards, what is the probability that a single card drawn will be a red queen, a jack, or an king?  Give your answer as a decimal rounded to the hundredt…

1)Given an ordinary deck of cards, what is the probability that a single card dr

1)Given an ordinary deck of cards, what is the probability that a single card drawn will be a red queen, a jack, or an king?  Give your answer as a decimal rounded to the hundredt…

1)Graph of the following curve is given. Find its length. r=5cos^2(theta/2) 2)De

1)Graph of the following curve is given. Find its length. r=5cos^2(theta/2) 2)Determine whether the sequence converges or diverges. a(n)=n(n-6)

1)Holtz model accounts for any growth factor present in a time series by? a-the

1)Holtz model accounts for any growth factor present in a time series by? a-the use of a linear trend b-smoothing the most recent trend by last periods smoothed trend c-adding tre…

1)Holtz model accounts for any growth factor present in a time series by? a-the

1)Holtz model accounts for any growth factor present in a time series by? a-the use of a linear trend b-smoothing the most recent trend by last periods smoothed trend c-adding tre…

1)I would like to show that T : F ? R be defined by T(f) = f^2(1) is not a linea

1)I would like to show that T : F ? R be defined by T(f) = f^2(1) is not a linear transformation, I know I have to show that it doesn't preserve the addition or preserve scalar mu…

1)IF THE SUM OF IST n TERM OF A.P IS GIVEN BY Sn=4n2-3n.FINDTHE n TH TERM OF A.P

1)IF THE SUM OF IST n TERM OF A.P IS GIVEN BY Sn=4n2-3n.FINDTHE n TH TERM OF A.P. 2)find the number of term of a.p=45,51,48.............. so,that the sum is 513. 3) if the n th te…

1)Identify the technique used by secure Web sites to protect the confidentiality

1)Identify the technique used by secure Web sites to protect the confidentiality of online transactions. Select one: a. Encryption and authorization b. Encryption and authenticati…

1)Identify the technique used by secure Web sites to protect the confidentiality

1)Identify the technique used by secure Web sites to protect the confidentiality of online transactions. Select one: a. Encryption and authorization b. Encryption and authenticati…

1)If I roll to three tetrahedral dice (dice with only four faces), assume that t

1)If I roll to three tetrahedral dice (dice with only four faces), assume that the digits on two of the dice are 1, 2, 3 and 4 and the third die has the digit 3,5,6 and 7 on it. a…

1)If P(A) = 0.62, P(B) = 0.47, and P(A %uF0C8 B) = 0.88; then P(A %uF0C7 B) = a.

1)If P(A) = 0.62, P(B) = 0.47, and P(A %uF0C8 B) = 0.88; then P(A %uF0C7 B) = a. 0.2914 b. 1.9700 c. 0.6700 d. 0.2100 2)If P(A) = 0.85, P(A %uF0C8 B) = 0.72, and P(A %uF0C7 B) = 0…

1)If the matrix of coefficents of a homogenous system of n linear equations in n

1)If the matrix of coefficents of a homogenous system of n linear equations in n unknowns is singular, then the trivial solution is the only solutions of the system a)always true …

1)In a base-case scenario, the output is determined by assuming a. the most like

1)In a base-case scenario, the output is determined by assuming a. the most likely values for the random variables of a model. b. the mean trial values for the random variables of…

1)In a certain village, the eldest daughter tends the family’s sheep. Suppose th

1)In a certain village, the eldest daughter tends the family’s sheep. Suppose that every family in this large village has two children. What proportion of all the daughters are sh…

1)In a study of the effectiveness of a new, lighter, running shoe you have desig

1)In a study of the effectiveness of a new, lighter, running shoe you have designed, you give the shoe to 1068 runners, and compare them with a sample of 2127 runners who don’t re…

1)In a study of the effectiveness of a new, lighter, running shoe you have desig

1)In a study of the effectiveness of a new, lighter, running shoe you have designed, you give the shoe to 1068 runners, and compare them with a sample of 2127 runners who don’t re…

1)In the summer, humidity affects the actual temperature, making a person feel h

1)In the summer, humidity affects the actual temperature, making a person feel hotter due to a reduced heat loss from the skin caused by higher humidity. The temperature-humidity …

1)In the summer, humidity affects the actual temperature, making a person feel h

1)In the summer, humidity affects the actual temperature, making a person feel hotter due to a reduced heat loss from the skin caused by higher humidity. The temperature-humidity …

1)In the summer, humidity affects the actual temperature, making a person feel h

1)In the summer, humidity affects the actual temperature, making a person feel hotter due to a reduced heat loss from the skin caused by higher humidity. The temperature-humidity …

1)Let X be the number of aces in a randomly chosen hand of 4cards (from an ordin

1)Let X be the number of aces in a randomly chosen hand of 4cards (from an ordinary deck of 52 cards). Find E(X) and Var(X) 2) repeat part 1 if the size of hand is 6 cards instead…