A school principal wants to determine which type of speaker the ștudents prefer to invite to an assembly for the entire student population. Which survey method would produce the best representative sample? A survey every fifth person who shops at a mall B survey all of the students on the student council C survey every tenth student entering the school one morning. D survey all of the students who went to the last basketball game

A school principal wants to determine which type of speaker the ștudents prefer to invite to an assembly for the entire student population. Which survey method would produce the best representative sample? A survey every fifth person who shops at a mall B survey all of the students on the student council C survey every tenth student entering the school one morning. D survey all of the students who went to the last basketball game

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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For a school project, 3 students need to produce a sample of students at their school. Which of the following methods leads to a random sample? a Asking each of their friends to a a name 3 friends. b Writing all the names of students they know on a list and picking. c Numbering all the students at the school and produce a sample from a random list of numbers. d Calling for volunteers on social media.
There is a board game in which players are given the opportunity to solve a murder that has six suspects, seven possible weapons, and seven possible rooms where the murder may have occurred. The six suspects are Professor Plum, Mrs. White, Mrs. Peacock, Mrs. Yellow, Mr. Johnson, and Miss Clancy. Determine a sample space for the choice of murderer. Discuss how to form a sample space with the entire solution to the murder, giving murderer, weapon, and site. Complete parts (a) through (c) below. Choose the correct sample space for the choice of murderer below. OA. {0} O B. {Professor Plum, Mrs. White, Mrs. Peacock} O C. {Professor Plum} ⒸD. {Professor Plum, Mrs. White, Mrs. Peacock, Mrs. Yellow, Mr. Johnson, Miss Clancy} (a) Discuss how to form a sample space with the entire solution to the murder, giving murderer, weapon, and site. How many outcomes would the sample space for the entire solution have? Select the correct choice below and fill in the answer box to complete your choice.…
The city of Raleigh has 7,900 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 550 randomly selected registered voters was conducted. 270 said they'd vote for Brown, 266 said they'd vote for Feliz, and 14 were undecided.Give the sample statistic for the proportion of voters surveyed who said they'd vote for Brown. Round your answer to four decimal places. ------------ This sample statistic suggests that we might expect ----------- of the 7,900 registered voters to vote for Brown.
If two people are asked to list their choices of favorite household pet from among dog (d), cat (c), and ferret (f), list the sample space showing the possible outcomes. Choose the correct answer below. O A. (d, d), (c, c), (f, f) O B. (d, c), (d, f), (c, d), (c, f), (f, d), (f, c) OC. (d), (c), (1) O D. (d, d), (d, c), (d, f), (c, d), (c, c), (c, f), (f, d), (f, c), (f, f)
local fudge company wants to make sure that the assorted pound of fudge is really 16 ounces. To test this, the 35th box is tested and then every 75th box thereafter. What kind of sampling is this?
An online university wants to invest in a new tutoring program. Before they make the commitment, the research team wants to know how many students enrolled in the university would actually use the tutoring program. They decided to conduct a survey to find out. The institution has 4,000 undergraduate students. How many students would you survey? How would you choose them? (Be specific in your sampling method description) Adam got the name of all 4,000 students in the university and put their names in a hat. He then drew 300 names. What do you think of Adam’s survey? Explain your answer. Sarah asked all currently enrolled seniors. What do you think of Sarah’s survey? Explain your answer.
ToysGalore is researching customers’ opinions about prices on their new doll. Name each sampling method. . A representative stands at the store entrance and polls the first 75 customers b. A representative asks every 8th customer who enters the store
I AM RESUBMITTING THIS QUESTION FOR DIFFERENT PARTS. I NEED THE LAST 3 MULTIPLE CHOICE QUESTIONS ANSWERED. 5, 6, AND 7 Before the furniture store began its ad campaign, it averaged 160 customers per day. The manager is investigating if the average has changed since the ad came out. The data for the 16 randomly selected days since the ad campaign began is shown below: 131, 127, 148, 143, 141, 153, 158, 145, 138, 163, 164, 148, 166, 154, 170, 133 Assuming that the distribution is normal, what can be concluded at the αα = 0.05 level of significance? For this study, we should use Select an answer t-test for a population mean z-test for a population proportion The null and alternative hypotheses would be: H0:H0: ? μ p Select an answer < = ≠ > H1:H1: ? p μ Select an answer = > ≠ < The test statistic ? t z = (please show your answer to 3 decimal places.) The p-value = (Please show your answer to 4 decimal places.) The p-value is ? ≤ > αα Based…
george wants to reserach how many people cheat on their yearly taxes . He asks 10 people at his university if they cheat if they cheat while giving the taxes . list 3 reasons why this is an example of bad sampling strategy
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A researcher wants to survey 2000 Americans for an obesity study. Match the strategies to their corresponding sampling techniques. The researcher posts the survey on the Internet the survey question and waits until 2000 people have responded. The researcher picks 20 different small groups:a church group a Democrat club a student club etc. each containing 100 people. Then the researcher makes sure that everyone from each group answers the survey question. The researcher gets the complete list from the Census Bureau and surveys every 1500th person on the list. The researcher makes sure that the proportion of respondents from each state matches the proportion of each state's population to the US population. The researcher gets the complete list from the Census Bureau and uses a computer to randomly select 2000 people. Stratified Sampling Systematic Sampling Cluster Sampling Convenience Sampling Simple Random Sampling
A farmer is researching the effectiveness of a pest control spray. He divides his orchard into 5 sections. He then inspects all the trees within 2 of those sections. What type of sampling method is he using?