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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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 table below shows the results of a survey that asked 1069 adults from a certain country if they favored or opposed a tax to fund education. A person is selected at random. Complete parts (a) through (c). Unsure Total 4 Support 157 Oppose 330 Males 12 499 Females 240 302 28 570 Total 397 632 40 1069 P(supports the tax or is male) = 0.691 (Round to the nearest thousandth as needed.) (c) Find the probability that the person is not unsure or is female. P(is not unsure or is female) = (Round to the nearest thousandth as needed.)
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.
How many different ways are there to select a group of 4 out of 8 people for a survey?
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
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A report just came out that stated that 22.9% of all Americans say that vanilla is their favorite ice cream, 23.3% say that chocolate is their favorite, 9.2% favor butter pecan, 8.9% favor strawberry, and the rest have other favorites. An ice cream shop owner thinks that her customers are not like the rest of America. The table below shows the results of 935 of her patrons' ice cream selections. What can be concluded at the αα = 0.01 significance level? Complete the table by filling in the expected frequencies. Round your answers to the nearest whole number.Frequencies of Favorite Ice Cream Outcome Frequency Expected Frequency Vanilla 224 Chocolate 228 Butter Pecan 84 Strawberry 70 Other 329 What is the correct statistical test to use?Select an answer Goodness-of-Fit Independence Paired t-test Homogeneity What are the null and alternative hypotheses?H0:H0: Favorite ice cream and where the ice cream is purchased are independent. The distribution…
Imagine that you own a coffee shop in downtown Toronto. You think it's time to expand to a second location in a different part of the Greater Toronto Area. However, you need to make sure that the second location you have selected will be as popular with customers as your current location. You want to do a survey. You know you can't ask everyone, so you need to ask a sample. PART 1: What process should you follow to select your sample? choices are simple, systematic, stratified, and cluster sampling. PART 2: What is the best way to administer your survey to make sure you get enough responses to give you a good representative sample?
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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
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Last year, 41% of business owners gave a holiday gift to their employees. A survey of business owners conducted this year Indicates that 33% planned to provide a holiday gift to their employees. Suppose the survey results are based on a sample of 50 business owners. a. How many business owners In the survey planned to provide a holiday gift to their employees this year? Round your answer to the nearest whole number. b. Suppose the business owners in the sample do as they plan. Conduct a hypothesis test that can be used to determine whether the proportion of business owners providing holiday gifts had decreased from last year. State the hypotheses. Họ :p-Select your answer- 0.41 H.P Select your answer- J0.41 Compute the test statistic and p-value. z-value (to 2 decimals) p-value (to 4 decimals) c. Using a 0.05 level of significance, would you conclude that the proportion of business owners providing gifts decreased? - Select your answer- v Ho. We - Select your answer - v conclude that…