A Senator wants to know what the voters of hisstate think of proposed legislation on gun control. Hemails a questionnaire on the subject to an SRS of 2500voters in his state. His staff reports that 448questionnaires have been returned, 343 of whichsupport the legislation.(a) The population isA. the 343 letters supporting the legislation.B. the 2500 voters receiving the questionnaire.C. the 448 letters received.D. the voters in his state.(b) This is an example ofA. a survey containing nonresponse.B. a survey with little bias because a large SRS wasused.C. a survey with little bias because it was the voterswho elected the senator.D. all of the above.(c) The sample isA. the 2500 voters receiving the questionnaireB. the 448 letters received.C. the 343 letters supporting the legislation.D. the voters in his state.

Population is larger in size compare to sample. Population is the whole set of observations that are…

Answered: A Senator wants to know what the voters…

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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A survey of 150 freshmen business students at a local university produced the results listed below. How many students took only religion? 35 took history;42 took science;43 took religion;19 took history but not science;14 took science and religion;15 took history and religion;6 took all three
Twelve classmates are taking a picture side by side. A. In how many ways can they take the picture if there are not restrictions? B. In how many ways can they take the picture if two best friends must stand side by side? C. Using the results from A and B, in how many ways can the best friends not stand side by side?
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The nonprofit group Public Agenda conducted telephone interviews with three randomly selected groups of parents of high-school children. There were 202 black parents, 202 Hispanic parents, and 201 white parents. The sample survey asked the parents to respond to the statement, "A college education has become as important as a high school diploma used to be." Here are the counts of responses: Strongly agree Somewhat agree Somewhat disagree Strongly disagree TOTAL Black parents 154 27 11 10 202 Hispanic White parents 144 37 13 8 202 parents 125 50 18 8 201 Write a brief report on the similarities or differences among the three groups of parents in their attitudes towards the importance of a college education. Include a graph or graphs and a test of significance.
a. How many of the students polled had applied to exactly two of the universities? b. How many students applied to McMaster only? c. How many of the students polled had not applied to any of these universities?
15) Use the situation below to answer the question that follows. Team Jet has 7 members who won a school competition. Of these 7, 4 members are randomly picked to receive prizes for winning. The 1st member selected wins a $50 gift card; the 2nd person selected wins a $25 gift card; the 3rd person selected wins a $10 gift card; the 4th person selected wins a $5 gift card. The names of Team Jet's members are represented by the first letter of their first names, as displayed in the following table: Name Frank Gina Harriet Inez Jakob Keven Liu Letter F G H I J K L In the box below, complete the remaining three rows of the list that models how to calculate the number of possible ways 4 team members can be selected to win the prizes. 1) FGHIJKL Let Lui win the 1st prize, so select L. 2) 3) 4)

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