S
  1. study help
  2. subject categories
  3. sciences
  4. mathematics
  5. may 2023
  6. 19

Mathematics Questions and Answers May 19, 2023

Expert-verified solutions to help you succeed

Find the common difference d for the arithmetic sequence. 4, 3, 2, 1, ... d,Find an and a3 for the following geometric sequence. a 5, r 2 an1 a3
imageimage

11. Use the Change of Base Formula and a calculator to evaluate the logarithm, correct to six decimal places. Use either natural or common logarithms. log (6) Method 1 Use Change of Base Formula log2 (6) Method 2 Use Calculator TI84 Plus log (6)
image

Let A and B be the following matrices Calculate and enter it below. A rotates vectors by counterclockwise, 4 1). B is the matrix 1 0 A 102 B102 B102 A 102,Let A and B be the following matrices Calculate and enter it below. A rotates vectors by counterclockwise, 4 1). B is the matrix 1 0 A 102 B102 B102 A 102
image

Use the graph to determine a. the functions domain b. the functions range c. the xintercepts, if any d. the yintercept, if any and e. the missing function value, indicated by the question mark below. f(4) 14 12 10 8 6 4 2 0 5 10 15 20 o OU
image

What percentage of people eat fruits and vegetables and abstain from smoking, but do not partake in physical activity Fruit and vegetable intake (18) Smoking abstinence 10 47 5 Physical activity (24) None 10

Plot the point with the given polar coordinates 5x 6

26. Draw a triangle ABC so that a 4,c5, and ZB 120. Find side b. 27. Draw a triangle ABC so that a 10,b 12, and c 16. Find ZB.
image

Consider a project activity that has an optimistic time of 3 weeks, a most likely time of 10 weeks, and a pessimistic time of 25 weeks. What is the expected time for that activity? (Round answer to 2 decimal places, e.g. $52.50.)

3 Find the exact area of the finite region bounded by the graphs. given by the following equations. yx and y 12x3 Q8.
Q8. Find the exact area of the finite region bounded by the graphs given by the following equations \[ y=\sqrt{x} \text { an

Q2. Solve the following logarithmic equation. In (9x2). In (x) In (4)
Q2. Solve the following logarithmic equation \[ \ln \left(x^{2}ight)+\ln (4)=\ln (9 x-2) \]

Consider the following points. Find the following vectors. U PQ V PR Give the vector equation of the plane passing through P, Q, and R. X P (8, 8, 8), Q (4, 0, 2), R (0, 1, 1) 4 088E S t 6 y Z
Consider the following points. \[ P=(8,8,8), Q=(4,0,2), R=(0,1,-1) \] Find the following vectors. \[ \mathbf{u}=\overrightarr

Consider the vectors u and v. u Find the dot products. u. V U 12 14 12 proj(v) Find the projection of v onto u. 5 5 5 ,Find all values of the scalar k for which the two vectors are orthogonal. (Enter your answers as a commaseparated list.) 2 3, v K1 k U Need Help Submit Answer Read It,Give the vector equation of the line passing through P and
Consider the vectors \( \mathbf{u} \) and \( \mathbf{v} \). \[ \mathbf{u}=\left[\begin{array}{r} 1 / 2 \\ -1 / 4 \\ -1 / 2 \eFind all values of the scalar \( k \) for which the two vectors are orthogonal. (Enter your answers as a comma-separated listGive the vector equation of the line passing through \( P \) and \( Q \). \[ P=(0,1,-1), Q=(-6,1,2) \] \[ \mathbf{x}=\left[\b

Let X be a topological space and an equivalence relation on X. Let X be the quotient space and XX the quotient map. 1. If the quotient space X is connected, is X connected 2. Show that if (a) the quotient space X is connected and (b) for each point pe X, the inverse image (p) is connected, then X is connected.
image text in transcribed

A 3.8cu.m bucket loader is working with a fleet of 9cu.m haulers or dump trucks. The loader cycle time is 35sec with a bucket fill factor of 0.8. The hauler will complete the haul-dump-return cycle within 4min. How many days does it take to haul 14,000cu.m of material if job efficiency is 50-min?

Figure 2 shows a cuboid and a solid cylinder (not drawn to scale). Edge BC has length 6.5 cm, and the diagonal AC has length 14 cm. The radius r of the cylinder is 3.5 cm, and the height A is 9 cm. 14 cm B 6.5 cm 735cm h9cm Figure 2 Give your answers to each of the following to two significant figures. (i) Find the surface area of the cylinder.

A continuous random variable X has a pdf of the form f(x) (601421) x4, for 0.92 X 1.33. Calculate the standard deviation (sigma) of X.

The population of a city can be modeled by P(t) number of years after 2000. Approximately how rapidly was the citys population be changing between 2028 and 2034 25e0.08t thousand persons, where t is the The citys population was changing by (Enter your answer rounded to at least three decimal places) Question Help Video Written Example thousand
image

Find all values of c so that v (1, 2, c) and w (1, 2, c) are orthogonal. (Enter your answers as a commaseparated list.) C x 1.73,Find all values of c so that v (1, 2, c) and w (1, 2, c) are orthogonal. (Enter your answers as a commaseparated list.) C x 1.73
image

Given A and B, compute AB, BA, BTAT, and ATBT. (If the answer does not exist, enter DNE in any cell of the matrix.) AB BA BTAT ATBT 41 A 1, B 05 5 1 4 8 1 t 11
image

Given A and B, compute AB, BA, BTAT, and ATBT. (If the answer does not exist, enter DNE in any cell of the matrix.) AB BA BTAT ATBT 8 1 43 6 9 B 71 11 A 11 11 11
image

2. Solve the following system of first order differential equations. (a) (b) (c) x 3y y 2x 2y 2 5 () x X (i) (0) (2) x x,
image

An investment of 3918.56 earns interest at 7.5 per annum compounded monthly for 3 years. At that time the interest rate is changed to 0.8 compounded quarterly. How much will the accumulated value be 3 years after the change The accumulated value is (Round the final answer to the nearest cent as needed. Round all intermediate values to six decimal
image

Find the equation for the tangent plane to the surface z 9x2 4y2 at the point (2, 1, 32).

Find the derivative of the function at the given point in the direction of A. f(x, y) tan1 4x (10,2), A 12i5j,Find the derivative of the function at the given point in the direction of A. f(x, y) tan1 4x (10,2), A 12i5j

Find all the first order partial derivatives for the following function. f(x, y) xyey

Find all the first order partial derivatives for the following function. (2) f(x, y) In

Suppose that f(x) dx 5, f f(x) dx 2 and g(x) dx 7, evaluate the following (i) S f(x) dx (iii) S g(x) dx (ii) (f(x) g(x))dx
image

0 1 Find a basis for the row space, raw (A), of matrix A 1 1 0 1 1 3 2 2 3 5 6 1 2,

In an integrodifferential equation, the unknown dependent variable y appears within an integral, and its derivative dydt also appears. Consider the following initial value problem, defined for t 0 dy 25 y(tw)e10 dw 6, dt y(0) 0. a. Use convolution and Laplace transforms to find the Laplace transform of the solution. Y(s) C y(t) b. Obtain the

For the functions f(t) et and g(t) et, defined on 0 t , compute f g in two different ways a. By directly evaluating the integral in the definition of f g. t (fg) (t) b. By computing L F(s)G(s) where F(s) L f(t) and G(s) L g(t). (fg)(t) L F(s)G(s) L dw help (formulas)
image

Find the least integer n such that f(x) is O(x) for each of these functions. (i) f(x) (x3x1)(x x 1) (ii) f(x) 8xx (xlog x) (iii) f(x) 4x xlog(x) (iv) f(x) (x 4xlog.x)(x 1)
image

find the values of p and r if this system of equations has an infinite number of solutions Given that, 2x+y-3z=3p 4x+py-6z=2r x-qy+z=5r

Solve the system (D1) 2Dx 2t, (2D1) (2D) x 5, by using the elimination method (operator method).

Q4 Determine whether the following subsets are linearly independent or linearly dependent. (i) 80 CR (ii) 11, t, 21 13,4) P
[Q4] Determine whether the following subsets are linearly independent or linearly dependent. (i) ( left{left[begin{array

Use the transition matrix P shown to find S and S for the initialstate matrix So0.1 0.2 0.7 0.7. B C 0.4 0.4 0.3 0.1 0.5 0.3 0.2 A 0.2 P B 0.6 S (Type an integer or decimal for each matrix element.) ...
Use the transition matrix ( P ) shown to find ( S_{1} ) and ( S_{2} ) for the initial-state matrix ( S_{0}=left[begi

Recall that the value of the Euler function at the positive integer n is defined to be the number of positive integers less than or equal to n that are relatively prime to n. Compute the following sum (236) (332)

Find the least integer n such that f(x) is O(x) for each of these functions. (x3x1)(xx1) (i) f(x) (ii) f(x) 3xx (log.x)4 (iii) f(x) (x7x log x)(x1) (iv) f(x) 4xx log(x)

Using the Extended Euclidean Algorithm the greatest common divisor of 55 and 84 can be written as a linear combination of these integers. Find the smallest positive integer u greater than 100 satisfying 55u84v gcd (55,84).

2. For each of the following functions f A R, find f(A) and hence decide whether f (equivalently its range) has an upper bound, a lower bound, a maximum or a minimum. (a) f(x) x, A (3, 2). (b) f(x) x, A (3, 2) (c) f(x) X 0 if x E Q if x Q A 0, a where a 0.
image

In an integrodifferential equation, the unknown dependent variable y appears within an integral, and its derivative dydt also appears. Consider the following initial value problem, defined for t 0 dy dt y(tw) e 0 a. Use convolution and Laplace transforms to find the Laplace transform of the solution. Y(s) L y(t) b. Obtain the solution y(t).

n3 d2 nnn neff d2 1 n In a general threelayer slab waveguide with central thickness d, the index step profile is shown as left, and nnn. The solution is in the form Um Aexpr(x 1) U Bcos(kx) Csin(kx) DexpV (x 2) U (a) Show that the U can also be expressed in a simpler form (10 pt) UIIBcos(kx A) (b) Prove that A0 for fundamental mode when
image text in transcribed

If f(x) is a differentiable function for all x ER and 1 8 h(x) (x) with (0) and f(0) then 4 h(0) 3

What is the area of the region enclosed by y y 8x and x 2 8 x2

Find the transform, indicating the method used and showing the details. 11. 5 cosh 2t 3 sinh t 13. sin2 (2mt) 15. et2u(t 3) 17. t cost sin t 3t 19. 12t e 12. et(cos 4t 2 sin 4t) 14. 16tu(t1) 16. u(t 277) sin t 18. (sin wt) (cos wt)
image

For the integral (i) Sketch the region of integration (8 points) (ii) Evaluate it by reversing the order of integration. (8 points) (iii) Put the integral in polar form but do not evaluate. (9 points)

In this example we construct a sequence f on 0, 1 that converges to zero in the mean, but for which f(x) does not converge for any x 0, 1. This se quence is constructed as follows For each nEN, write n 2k j where k 0, 1, 2,..., and 0 j 2. For example, 1 2 0,2 2 0,3 2 1, etc. Define f, on 0, 1 by f(x) j1 2k sxs (0, otherwise.
In this example we construct a sequence {f} on [0, 1] that converges to zero in the mean, but for which

Use convolution theorem to find the Laplace transform of 1 (s1)(s2)
student submitted image, transcription available below

F 400N 10m 2m 3 m 600N Figure 5.3 761 Fc 400N 6m B,A flag pole is held in the ground with a pair of steel cables (see Figure 5.3). The forces acting along the cables AB and AC are shown in the figure as arrows with their corresponding magnitudes. (1) Find the equation of the plane passing through A, B C (ii) Express the force FAV400 N (Figure
A flag pole is held in the ground with a pair of steel cables (see Figure 5.3). The forces acting along theF = 400N 10m 2m 3 m 600N Figure 5.3 761 Fc = 400N 6m B

i. Find the Laplace transform of the following function t 0 1. f(t)
student submitted image, transcription available below

(1) Find the interval of convergence of the following series. (15 points) (1) (ii) Determine the convergence at the end points of the interval.(10 points) Da

4. (a) Find the chromatic polynomial PG (k) of the graph 6 5 G 1 Simplify your answer. (b) Prove that the graph Ks is not planar. 2 3 15 marks 10 marks
image

Let M 243 1 2 4 2 5 0 The row echelon form of the matrix is 000 (Use the fang cheng method so you dont have fractional entries, and do NOT eliminate common factors)
image

Consider the following differential form on A R0 13 with the associated vector field F y x dr x y2 x y2dy. y F (F.F,) Y a x y x y Consider the following points a) Prove that w is a closed differential form (i.e. F is an irrotational vector field) (3 P.)

Verify that is an eigenvalue of A and that x is a corresponding eigenvector. 2 5, x (1, 0, 0) 22 3, x (1, 2, 0) 23 4, X3 (3, 1, 1) AX1 A Ax2 5 1 4 0 3 1 I 0 04 5 1 4 1 0 0 31 04 0 04 1 5 1 4 1 B0 31 2 Ax3 0 3 1 0 04 1 5 0 3 21x1 1 5 1 4 3 1 34 1 22x2 3 41 13x3
image

5. Use projection matrices to find the matrix exponential and particular solution of the given linear system Ax f(t), x(a) xa x (0) (8) A 5 1 6 22 7 f(t) 24et 28et
image

The rate of change of cost of several aircraft components with respect to time in years is modelled by different functions as shown below. You are to integrate these functions with respect to t. (1) 23e dt (ii) (3t 4t15)dt

Suppose in a two commodity market model, the supply Q1, Qs2 and demand Q1, Qd2 functions are given as Qd102PP, Qaz15PP, Q 23P,, Qs2 12P. (a) Determine the relationship between these two commodities, do they compete or are they complement of each other by giving reason(s). Plot the supplydemand curves of the model. (b) Find the equilibrium values
image

A horizontal simply supported uniform beam, with span of 2 m, is made from the section shown in Figure 1. A vertical point load of 50 kN can be placed anywhere on the span. If the maximum stress in tension or compression is not allowed to exceed 320 Nmm, determine whether there is a region along the beam where it would be unsafe to place the load.

Find the 95 confidence interval for the population proportion p of all adults who would prefer balancing the federal budget over cutting taxes,A CBS NewsNew York Times opinion poll asked 1050 adults whether they would prefer balancing the federal budget over cutting taxes 602 of those asked said Yes. The poll was carried out by telephone, so

A geometric Brownian motion with drift and volatility is defined by the equation ds Sdt oSdze Itos lemma states that if G is a function of S and t, then G OG 10G G (25s . at zasz52dt . The BlackScholes differential equation for currency derivatives is given by as asdz af at ()Sa af 1 520f where r, is the interest rate in the domestic country

Consider the permutations of the decimal string 000444445555555 that has three 0s, five 4s and seven 5s. For 0,4,5 let P, be the condition that all xs in the permutation of the string are consecutive, such as in 55555444000 4455 when 0. Find each of the following without evaluating the factorial numbers, for example, leave 11 as is. Find 1. the

3. Translate the following a. 3x Barber(x) Vy man(y) shaves (y, y) shaves (x, y) Barber(x) x is a barber, man(y) y is a man, shaves (x, y) x shaves y b. 3y Vz ((y (John)) (M (John, z) M (y, z))) where domain of y is set of all persons, z is set of all movies and M (x, y) x watched movie 2
image

(25 points) Find the most general realvalued solution to the linear system of differential 12 equations a 2 5 x (t) x (t) C1 e(3t) e(3t) C e(3t) e(3t)

Determine whether each of the following is a subspace or not. Justify your answer (x, y, z) R 2x 3y 4z 0 (i) W 1 E (ii) W A R adj(A) AT , where adj(A) denotes the adjoint matrix, and AT denotes the transpose of A R. (iii) W3 p(x) P3 P(0) 2

4 0 1 2 8 2 1 3 1 0 1 2 1 (i) find a basis for the column space Col(A), (ii) find a basis for the row space Row(A), (iii) find a basis for the null space N(A), (iv) find rank(A), the rank of A, and null(A), the nullity of A. Justify your answer Given the matrix A 0 3 1 2 1 1 3
image

Given two bases (1,1,2), (1,2,3), (1,6,6) U3 U1 U and (,1,1), 1,1),(,0) U 22 U3 of R 3, (i) find the change of coordinates (transition) matrix ER 3 from the coordinates with respect to to the coordinates with respect to (ii) find the coordinates p(x) ER and p(x) ER of p(x) 3x x 4 3, with respect to and, (iii) verify the equality p(x) p(x)o.
image

Determine c ER so that the following is not a spanning set for RX2. Justify your answer 2 131, 33 C 2 C 1 22 20 2c3 c 2, 2c 2c 2 C 2 1 2 c 3 3 c2
image

A wagon weighing 5100 Kg moving at a speed of 8 kmh has to be brought to rest. Springs made of wire diameter 25mm with a Dm of 250mm and with 24 turns are available. Find the number of springs required in buffer to stop the wagon at a compression of 180mm. G 84GPa. Hint You need to use formula for kinetic energy and work done in your solution (10

Given two bases B (1, 1,2), (1, 2, 3), (1, 6, 6) V1 V2 and C (1,1,1), (1, 1, 1), (1, 2,1) V3 U2 Uz of R, (i) find the change of coordinates (transition) matrix Mc R from the coordinates with respect to C to the coordinates with respect to B, (ii) find the coordinates p(x) R and p(x)c R of p(x) 3x x 4 P3, with respect to B and C, (iii)
image

4. Perform each of the indicated operations on the given matrices. If the operation is not possible, explain why. (no calculator) (2 points each) (a) AB 4 0 A 4 612 2 (b) BC EDED B 2 5 (d) B3C 1 (c) A C 3 1 5 2 (e) AT,3. Do each of the following, given the matrix A and its inverse A 3
imageimage

Define the double factorial of n, denoted n, as follows and (1) 0 1. Find the radius of convergence for the given power series. The radius of convergence, R n n1 1.3.5 (n2) n (246 (n2) n .. . if n is odd if n is even 5n (3n4) (2n) 7 (n7) (4n4) . (9x 2)

Assume S1 to be a compound poison process with gamma individual risk X of gamma (2, 2/5) and that the insurer has start capital u=U0=5 x 10 to the power 6 and she set as limit for the ruin probability epsilon = 10 to the power -7 a. Determine the adjustment coefficient ,the ruin probability for zero capital or a bound , and a bound for the ruin

Alice and Bob have three children, and everyone lives in the same household. One day, all three children have an infectious disease. The spread of the infection through the household is to be modeled as a stochastic simple epidemic with infectious contact rate 3 2 per day. When there are y infectious, let , denote the epidemic rate. (a) Write
image

verify that (0,0) is a critical point, show that the system is locally linear, and discuss the type and stability of the critical point (0,0) by examining the corresponding linear system. 1. dxdt xy, dydt x2yx

Multiplying a Vandermonde matrix by its transpose, show that n 1 1 82 4620 Sn1 det where sq a an. ... Sn1 82n2 II (aj ai), i
image

Find the sample standard deviation of the Quant variable in the following data set CaseID 101 102 103 104 105 106 107 108. 109 110 Quant 13 12 8.4 9.1 10.3 8.1 7 2 6.4 8 State your answer below in decimal form. Round your answer to the nearest hundredths place.
image

Investigate B What is the value of the number e A Rough Approximations of e. 1. Evaluate the expression (1) for a) n 1 d) n 4 b) n 2 e) n 10 c) n 3 f) n 100
image

8. If you invested 5000 into an account that gave you 5 SIMPLE interest annually and 5000 that gave you 5 COMPOUND interest annually, how much would you have in each account after 5 years. Show your calculations.
image

The 1meter aluminum (E70 GPa) beam of hollow square crosssection (20x20 mm with 2 mm thickness) shown is under distrubuted loading according to w(x)100sin(TTX) Nm. The maximum shear force V is N. Type your choice in the blank 26.2 27.5 28.9 30.3 31.8 The maximum bending moment Mis The maximum normal stress due to bending oxMcl is The maximum
image

The following Matlab code x rand(1,N) int mean(exp(x.3)) computes a Monte Carlo estimate of an integral. As N o, what is the expected order of error of this Monte Carlo estimate

Consider random numbers X generated uniformly on the interval (1,9). What is the expected value E(X) Hint find the expectation of g(x) x with an appropriate PDF for uniform distribution in the given interval. What is the expected value E(X) Give your answer correct to two decimal places. Hint try to use g(x) x with an appropriate PDF for uniform
image

4. Calculate the value of the following integrals (a) (16) f f(x y2)dS, S is the surface with vector equation r(u, v) (2uv, uv, uv), u v 1. (b) (16) ff 2 y 22dV, where H is the solid hemisphere that lies above the ryplane and has center the origin and radius 1.
image

In an Npoint Monte Carlo evaluation of the integral fp f(x, y) dxdy of some function f(x, y) over the rectangular domain D with 2 x 7 and 8 y 6, you use the Matlab code int CNsum(f(x,y)) What should the value be for the constant C
image

You need to solve the integral Lex dx using Monte Carlo integration. When generating random numbers for the Monte Carlo integration, what is the lowest possible random number What is the largest possible random number Say you write Matlab code to solve this problem, but first want to test the code with a small number of random numbers, so you
image

2. Let G be the 4 x 2 matrix m 2 0 05 40 5 0 (a) n 2 (b) m (c) Write down an explicit formula for G in the following format G(, ..., En) (y, ..., ym)T. T Y J Viewing G as a linear transformation between R and Rm,
image

The following Matlab code x 44rand (1, 1e3) int 4mean ( sin(x).x ) computes a Monte Carlo estimate of an integral. Over what length domain is the integral How many random numbers are used in the Monte Carlo integration Write your answer as an integer.
image

Fill in the missing entries by performing the indicated row operations to obtain the rowreduced matrix. 0 1 3 12 18 11 3 1 13 3 R R3R 1 R (1) R3 R 2R (111)Ry R (), R3R 1 1 0 0 1 0 1 1 2 1 3 0 0 3 00 00 00 0 1 100 010 3 001 2 3 5
image

19. The equations describing a convectiondiffusion problem in heat trans port are Ju Ju Ju v t 2 u(0, t) uo, u(x, 0) 0, u(l, t) u, where u(x, t) is the temperature, v is the (constant) velocity and a is the thermal diffusivity. Consider the following scaling, a au T 1 X 7 T X at 12 U U U1 Show that the above equations may be expressed
image

10. Consider the equilibrium heat conduction problem with conductivity, k(u), depending on the temperature u, de (k(u) du). dx u(0) 0, u(1) 10. The next simplest choice for k(u) after the constant case is to assume that the conductivity depends linearly on temperature, i.e. k(u) ko(1 bu) where b and ko are positive constants. This corresponds
image

Consider the recurrence 24 2 21 mod 2 with initial condition ki k k k4 encrypt 1000101. Your answer should be a 7bits binary string. te stele 0101 and
image

Deduce the parametric equations of the directional tangent lines from the following surfaces at the given point. (i) f(x, y) 2xy 4xy, v (1,3) at P(2, 3). (ii) f(x, y) 3 cos(x) sin(y), v (1, 2) at P (3, 4). (iii) f(x, y) 3x 5y, v (1, 1) at P(4,2). (iv) f(x, y) x 2x y 4y, v (1, 1) at P(1,2). 2a (b) Deduce the normal lines from the

1 Let fn(x) 1(nx1). (i) Does fn converge on 0, 1 If so, to what function (ii) Does f converge uniformly (b) Prove or give counterexample if fn f and 9n g both converge uniformly, then hnfn 9n converges uniformly to h f.g. . (c) Suppose fn R R is surjective for each n, and that fn f. Is f necessarily surjective

Using the EulerLagrange equation a) Find x(t) (as an equation) which minimizes the following objective function 1110 (x) (x(t) 1)2 dt b) Determine the parameters in a) if x(0)2, and x(t) terminates on the curve y(t) 4t5

\f(10 points) Let w 2 3 f(x) dx = 8, f(x) dx = 13, o g(x) dx = 14, g(x) dx = -9, Use these values to evaluate the given definite integrals. a) (f (x) + g(x)) dx = b) (f (x) - g(x)) dx = ( 3f (x ) + 2g(x)) dx = d) Find the value a such that (af (x) + g(x)) dx = 0. a =\f(10 points) Let I: f (x) dx = 6. (a) What is the average value of f(x) on the
image text in transcribedimage text in transcribedimage text in transcribed

Mean and standard deviation with blood pressure \f
image text in transcribed

Non-Calculator Lab S-2 1. The graph of the function f, consisting of three line segments and a quarter of a circle, is shown above. Let g be the function defined by g(x) = 2x + Sf(t)dt a. Find the average rate of change of g from x =- 5 to x = 5. (3 pts) b. Find the instantaneous rate of change of g with respect to x at time x = 3 or state that it
image text in transcribedimage text in transcribedimage text in transcribed

Suppose that the population of the number of hours slept by all college students the night before finals is approximately normally distributed. A report claimed that the mean of this population is 6.86 hours. As a student wellness advocate, you want to test this claim, so you select a random sample of 14 college students and record the number of
image text in transcribed

standard deviation of 61, 3, 3, 6, 4, 28, 22, 5, 11

Meadow Company wants to invest its net profits of $122,000 for 5 years in either a credit union or a local bank. The credit union provides interest of 4.75% compounded monthly, while the local bank provides interest of 5.25% compounded semi-annually. a. What would be the maturity value of the investment under the credit union option? Round to the
image text in transcribed

QUESTION 2 - Table 6.1: YOUR GROUP'S EXPERIMENT #1 DATA: (5 marks) MEASURED SLOPE ANGLES CONE (4 for each cone) 31 30 129 13 2 31 29 29 31 31 32 31 31 4 25 28 28 31 5 32 29 132 27
image text in transcribed

Showing 1 - 100 of 1496
  • 1 / 15