A salesperson obtained a systematic sample of size 30 from a list of 600 clients. To do so, he randomly selected a number from 1 to 20, obtaining the number 12 te ruded in the sample the 13th cestand very 20th chiont thereafter List the numbers that comespond to the 30 cents sectedOA. 11.30 500B. 20.30 307OF 30 50

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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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These are counting problems. You cannot simply write down the final answer. You must be sure to give sufficient explanation for your counting method. As always - clarity, legibility, and composition count towards your grade. 5. How many ways can you arrange the letters of ANTIDIFFERENTIATE if it must end with an E, and the R and the D must be adjacent to each other (RD or DR) ? |
Rolling a fair six-sided die is supposed to randomly generate the numbers 1 through 6. Explain what random means in this context. 03 03 Choose the correct answer below. O A. That if a 1 is rolled it that means that each other number was not rolled. O B. That each result will not be influenced by the previous result of the die roll. O C. That the only possible outcomes are 1, 2 , 3 , 4, 5, and 6. O D. That in the long run, a fair die will produce roughly equal amounts of the numbers 1 through 6 when rolled. But for each roll each value 1 through 6 is equally likely.
V SE 30 Number of Students 2.5 A 15 10 1 S 0 5 10 1 1 A 15 3 20 25 24 30 Grade 28 SUBMIT QUESTION 35 LD 40 25 45 SAVE PROGRESS 50 55 SUBME
Feb 17 AA A ezto.mheducation.com Welcom OML Welcome to... X Question 5... www.youtu... O Sign In | Ind... 3.1 G Saved Help Save & Exit Which of the numbers are prime? а. 211 OA. Prime OB. Not Prime b. 885 OA. Prime В. Not Prime c. 531 A. Prime В. Not Prime
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A survey was carried out in 30 households in which they were asked the number of people who habitually live together at home. The answers obtained have been the following: 4, 4, 1, 3, 5, 3, 2, 4, 1, 6, 2, 3, 4, 5, 5, 6, 2, 3, 3, 2, 2, 1, 8, 3, 5, 3, 4, 7, 2, 3a) Build the frequency table.b) Calculate the mean, median, and mode of the data grouped punctually and express in a sentence the meaning of each of these measuresc) Calculate the mean, median, and mode of the data grouped in intervals with an amplitude of 4d) What percentage of children use more than 12 "and then ..."
a) State the mean and standard deviation of the standard normal curve. b) Find the z-score for which 95% of the distribution’s area lies between –z and z. c) Extending the meaning in part b, only 2.5% of z-scores would lie above ________.
OR on 21.8. Of 1,600 persons in a locality exposed to small- pox, 300 in all w'ere attacked. Of 1,600 persons 400 had been vacci- nated and of these only 30 were attacked. Can vaccination be re- garded as a preventive measure for small-pox?
PLEASE TRY TO SOLVE ALL OF THESE (I AM STUDYING FOR A HUGE TEST!) THANK YOU!1. Caroline is doing research on the heights of players on her soccer team. Select each description that is an example of systematic sampling. A. Caroline chooses every seventh person on the team roster, starting with the second. B. Caroline randomly chooses one of her teammates. C. Caroline chooses the first 5 names on the team roster. D. Caroline chooses everyone on her team. E. Caroline has her teammates count off by 6 and chooses the ones who counted “3.” 2. You are doing research on the students in your class. Which of the following descriptions is an example of systematic sampling? A. You make a list of the students and choose the first 5 names on your list. B. You choose every student whose birthday is in July. C. You choose every student in your class. D. You have the students count off by 5 and choose the students who counted “4.” 3. Think About the Process The houses on a…
The fractions of colors in a population of squirrels is 0.73 red and 0.27 black. If two are chosen at random, what are the chances they have the same color? Give two digits past decimal.
I need help on these questions. The table is attached. Use Table B, starting at line 119, to choose the first 5 drivers in the sample. Drag the token representing the label of the driver selected to the appropriate column. (b) One question asked was, “Recalling the last ten traffic lights you drove through, how many of them were red when you entered the intersections?” Of the 880 respondents, 171 admitted that at least one light had been red. A practical problem with this survey is that people may not give truthful answers. What is the likely direction of the bias: do you think more or fewer than 171 of the 880 respondents really ran a red light? A) Fewer than 171 of the 880 respondents really ran a red light. B) More than 171 of the 880 respondents really ran a red light. Why would there be such a bias? A) The test suffers from sample bias. B) People may be concerned that they will get in trouble if they admit to running red lights. C) Those…
12. Two independent samples are taken from two populations. Sample 1 has a mean of 12.8, a standard deviation of 2.3, and a sample size of 18. Sample 2 has a mean of 14.2, a standard deviation of 5.2, and a sample size of 23. This gives a standard error se(Ã1 — Ă2) = 1.212. A 95% confidence interval for the difference between the two means is: (A) (-2.00, -0.80). (B) (11.66, 13.94). (C) (-3.96, 1.16). (D) (-3.85, 1.05). (E) (-3.78, 0.98).

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