Basic Exercises8.18 Calculate the margin of error for each of the following:a. nx 280 px = 0.75ny = 320Py 0.68= 0.51=210Px= 200 Py 0.48=b. ngnxny==

(a) The value of margin of error is obtained below as follows: The formula for the confidence…

Answered: 8.18 Calculate the margin of error for…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Find the value of t using Table V, Appendix A. Use three decimal places in your final answer. Sample answer: 1.838 df = 18, ∝ = 0.05
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7. Calculate the % approximate error relative to the true value of the area of a trapezoidal lot whose longer base is 12 m longer than the shorter base which is 10 m, and height of 20 m. There is no height deviation while each base is deviated 0.05 m below the value of each base. A. -0.5454% B. -0.4545% C. -0.3125% D. -0.2273%
A. Find the computed z-value of the following. Write your answer to the nearest thousandths. Show your solutions. 2. X = 246 3. * = 9.5 1. = 16.4 μ = 15.86 # = 245.85 S = 1.25 S = 3.25 n = 21 1 = 29 # = 8.25 $ = 1.45 n = 16
7. Calculate the % approximate error relative to the true value of the area of a trapezoidal lot whose longer base is 12 m longer than the shorter base which is 10 m, and height of 20 m. There is no height deviation while each base is deviated 0.05 m below the value of each base. А. -0.5454% C. -0.3125% В. 0.4545% D. -0.2273%
If df between =3 and df within = 19, using a= 0.01, f crit = a. 5.09 b. 3.13 c. 4.94 d. 3.10 e. 5.01
17
3. K mZJ = %3D 83 m2L = mZM = %3D L. mere to search E G
H.: µ = 47.6 and H, : µ < 47.6 where u = the mean age of teachers at Ravenwood High School. The calculated p-value is 0.023. What conclusion will you make at a = 0.10? O Reject the H. O Fail to reject the H. O Reject the H. O Fail to reject the Ha
A. -0.29 B. 0.39 4. If x 31, Xz = 28, s=2.13, ni= 6, n2=7 then t=_ В. 3.68 %3D A. 3.71 С. 3.70 D. 3.69
Which of the following is the tcritical value? 1.895 2.306 1.860 2.364 Which of the following is the calculated tstatistic value? 2.306 2.032 2.084 1.580
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8.18 Calculate the margin of error for each of the following: = 0.75 a. nx = 280 px ny = 320 210 Py = 0.68 b. nx = Px = : 0.51 ny = 200 pu = 0.48