**Survey Method for Road Repair Support**The government of a large city needs to determine whether the city's residents will support the repair of several roads. The government decides to conduct a survey of a sample of the city's residents. Which one of the following procedures would be the most appropriate for obtaining a sample of the city's residents?- Survey a random sample of the residents who use public transportation.- Survey every tenth person to use the public restroom.- Survey the last 100 residents listed in the telephone directory.- **Survey a random sample of persons within each neighborhood.** (Correct)**Explanation:**The selection marked as correct, "Survey a random sample of persons within each neighborhood," ensures that the sample obtained is representative of the entire city. This method accounts for the diversity of neighborhoods and captures a range of perspectives.

Answer: Survey a random sample of persons within each geographical region of the city.

Answered: The government of a large city needs to…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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A researcher divided subjects into two groups according to gender and then selected a fixed proportion of members from each group for his sample. What sampling method was the researcher using? A. Stratified sample. B. Simple random sample. C. Voluntary response sample. D. Cluster sample.
2. State the type of sample being collected. The quality control officer at a manufacturing plant needs to determine what percentage of items in a batch are defective. The officer chooses every 15th batch off the line and counts the number of defective items in each chosen batch
Our local movie theater polls its customers about their favorite candy to eat during the movie. Name each sampling method described. a. Employees ask every 45th customer that purchases a movie ticket b. An employee divides the theater into sections: left, right, front, back. He/she randomly chooses a section and polls every customer within that section
Sony wants to administer a satisfaction survey to its current customers. Using their customer database, the company randomly selects 90 customers and asks them about their level of satisfaction with the company. What type of sampling is used? O A. Systematic O B. Stratified O C. Convenience O D. Simple random O E. Cluster
Catherine Chao, Director of Marketing Research, needs a sample of households to participate in the testing of a new toothpaste package. She directs the seven members of her staff to find five households each. Catherine's sample is a cluster sample proportionate stratified sample quota sample disproportionate stratified sample simple random sample O O O
10 new
The city of Raleigh has 10500 registered voters. There are two candidates for city council in an upcoming election: Brown and Feliz. The day before the election, a telephone poll of 500 randomly selected registered voters was conducted. 158 said they'd vote for Brown, 293 said they'd vote for Feliz, and 49 were undecided.Give the sample statistic for the proportion of voters surveyed who said they'd vote for Brown. Note: The proportion should be a fraction or decimal, not a percent.
Answer.
Boris, Priti, and Sajid are due to attend a meeting. A curious observer records their actual attendance. Abbreviating the names by initials, which of the following should be written down as the sample space for the experiment? Select one: a. {0, {B},{P}, {S}, {B, P}, {B, S}, {P, S} O b. {B, P, S} O c. None of the other choices d. {B, P, S, BP, PB, BS, SB, PS, SP, BPS O e. {X, B, P, S} r

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