the ways to select a sample given below, which is a description of a random sample? A A farmer picks five chickens to check for illness by grabbing the five closest to the water source. B A car salesman gives a discount to the fifth customer who asks him a question about the cost of the newest car on the lot. A grocery store gives a free shopping spree to the 1,000th customer who buys milk on Friday. A principal assigns each teacher a number, places those numbers in a bag and asks the secretary to pick one teacher to be observed.

the ways to select a sample given below, which is a description of a random sample? A A farmer picks five chickens to check for illness by grabbing the five closest to the water source. B A car salesman gives a discount to the fifth customer who asks him a question about the cost of the newest car on the lot. A grocery store gives a free shopping spree to the 1,000th customer who buys milk on Friday. A principal assigns each teacher a number, places those numbers in a bag and asks the secretary to pick one teacher to be observed.

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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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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
B. Direction: Read each statement carefully. Write the of the correct answer on the blank provided. A. (H, T) 1. What is the sample space when a coin is tossed once? B. (h,T), (t, H), (t, T) C. ((T, H), (t, H), (T, h) D. ((T,h), (h,H), (T,T)) 2. What is the n(S) when a pair of dice is rolled? A. 2 B. 6 C. 12 D. 36 3. It is a subset of the sample space. A. Outcome B. result C. event D. probability experiment 4. The color wheel at the right is spun. Assume that the arrow will never fall on the lines separating the sectors. What is the sample Space?. A. S = (red, yellow, green, blue) C. S fred, green, blue) Vellow Blue Green Red B. S fred, yellow, green) D. S green, blue) 5. A drawer has 5 blue ties, 2 red ties, and 3 red ties. A tie is picked at random. What is the total number of possible outcomes? A. n(S) = 2 B. n(S) = 3 C. n(S) = 5 D. n(S) = 10
Determine which Sample Type is used in the following scenarios. President Biden want to survey the nation about their incomes. He contacts the IRS and has them put everyone who filed taxes last year into a data base. He then groups tax filers based on their filing status, Single, Married filing separate, and married filing jointly. He then selects 5000 people from each group using a random generator to survey.
Suppose 20% of the students on campus smoke. You select two students at random. In what percentage of samples will both students be smokers?
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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
A store manager gathers some demographic information from the store's customers. The following chart summarizes the age-related information they collected:
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Identify the population and the sample. Describe the sample data set. A survey of 170 law firms in a country found that the average hourly billing rate for partners was $658. Identify the population. Choose the correct answer below. all partners all law firms in the country all people in the country the law firms that were surveyed Identify the sample. Choose the correct answer below. all partners all people in the country all law firms in the country the law firms that were surveyed Describe the sample data set. Choose the correct answer below. O A. The average hourly billing rate for partners of 170 law firms was $658. B. The 170 law firms