Given that a die is tossed and has the following data :x 1 2 3 4 5 6Choose...P(x) 1/6 k1/61/61/6 1/61/62.72.81.641.713.42/62.9173.51.673.3What is the value of k?Choose.. +

Answered: Image /qna-images/answer/57934e71-1617-4382-b4ed-6a8683a9e710.jpg

Answered: Given that a die is tossed and has the…

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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The data below represent the number of days absent, x, and the final grade, y, for a sample of college students at a large university. Complete parts (a) through (e) below. У, No. of absences, x 1 2 4 6. 7 8 9. Final grade, y 88.8 85.9 83.0 80.6 77.7 73.3 63.5 68.3 65.4 62.6 (Round to three decimal places as needed.) A. For every unit change in the final grade, the number of days absent falls by days, on average. B. For every day absent, the final grade falls by on average. C. For zero days absent, the final score is predicted to be 88.778 . D. For a final score of zero, the number of days absent is predicted to be days. E. It is not appropriate to interpret the y-intercept. (c) Predict the final grade for a student who misses five class periods and compute the residual. Is the observed final grade above or below average for this number of absences? The predicted final grade is |. This observation has a residual of, which indicates that the final grade is average. (Round to one decimal…
3:29 mylab.pearson.com/S Determine the original set of data. 1012 2 1 447 8 3 3 5 5 5 7 8 4 01 Legend: 110 represents 10 The original set of data is (Use a comma to ||| = VO) 1 22 ... 46 ... - 13% separate answers as needed. Use ascending order.) O + 3 :
Suppose X∼Bin(20,0.8).X∼Bin(20,0.8). What is the variance of XX? A. 15 B. 16 C. 5 D. 10 E. 3.2
Can a low barometer reading be used to predict maximum wind speed of an approaching tropical cydone? For a random sample of tropical cyclones, let x be the lowest pressure (in millibars) as a cyclone approaches, and let y be the maximum wind speed (in miles per hour) of the cyclone. x 1004 975 992 935 971 924 y 40 100 65 145 78 147 A USE SALT (a) Make a scatter diagram ofr the data and visualize the line you think best fits the data. * 140 1000 140 1000 120- 120 100 100 80 80 940 60 940 E 60 40 40e. 920li 40 920 40 60 80 100 120 140 940 960 980 1000 60 80 100 120 140 940 960 980 1000 x (lowest pressure (in millibars) x (lowest pressure (in millibars) x (lowest pressure (in millibars)) x (lowest pressure (in millibars) (b) Would you say the correlation is low, moderate, or strong? O low O moderate O strong Would you say the correlation is positive or negative? O positive O negative (C) Use a calculator to verity thatx - 5801, - 5,613,547, E- 575, E- 64,543 and xy - 549,281. Compute r.…
A pediatrician wants to determine the relation that may exist between a child's height and head circumference. She randomly selects 8 children from her practice, measures their height and head circumference and obtains the data shown below. Height Head Circumference 27 17.5 25 17 26.5 17.2 25.5 17 27.75 17.4 26.25 17.4 26 17.1 27.25 17.4 data table n 3 0.997 4 0.950 5 0.878 6 0.811 7 0.754 8 0.707 9 0.666 10 0.632 11 0.602 12 0.576 13 0.553 14 0.532 15 0.514 16 0.497 17 0.482 18 0.468 19 0.456 20 0.444 21 0.433 22 0.423 23 0.413 24 0.404 25 0.396 26 0.388 27 0.381 28 0.374 29 0.367 30 0.361 compute the linear correlation coefficient between the height and head circumference of a child. r = ____ (round to three decimal places as…
Q.No.1. Given below are the marks of 40 students in a.class test out of 15:- 7.5 8.2 6.2 8.9 7.8 5.4 9.4 9.9 10.9 10.8 7.4 9.7 11.6 12.6 5.0 10.2 9.2 12.0 9.9 7.3 7.3 8.4 10.3 10.1 10.0 11.1 6.5 12.5 7.8 6.5 8.7 9.3 12.4 10.4 9.19.7 9.3 6.2 10.3 6.6 Find its D3 and P73, comment on theses quantities. Make a grouped frequency distribution of this data and again calculate its D3 and P73 Compare your results of part (a) and part (b). a. b. с.
k $ Let p be the population proportion for the following condition. Find the point estimates for p and q. Of 974 children surveyed, 123 plan to join the armed forces in the future. The point estimate for p, p, is (Round to three decimal places as needed.) U (Round to three decimal places as needed.) The point estimate for q, q, is J V ○ 발 C F5 30 % 5 T F6 6 ✈ Y H FZ C & N B N. JU F8 * 00 8 ... A F9 M 09 9 K F10 70°F Sunny ☀- F11 O P + 1:17 PM ^ D G E¹ (1) 11/28/2022 F12 E V Next PrtSc + 11 Ins
Can a low barometer reading be used to predict maximum wind speed of an approaching tropical cyclone? For a random sample of tropical cyclones, let x be the lowest pressure (in millibars) as a cyclone approaches, and let y be the maximum wind speed (in miles per hour) of the cyclone. x 1004 975 992 935 989 922 y 40 100 65 145 84 153 (c) Use a calculator to verify that x = 5817, x2 = 5,645,135, y = 587, y2 = 67,315 and xy = 561,857. Compute r. (Round your answer to three decimal places.)

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Given that a die is tossed and has the following data: x 1 2 3 4 5 6 Choose... P(x) 1/6 k1/61/61/6 1/6 1/6 2.7 2.8 1.64 1.71 3.4 2/6 2.917 3.5 1.67 3.3 What is the value of k? Choose... +