Introduction To Probability And Statistics
15th Edition
ISBN: 9781337554428
Author: Mendenhall, William.
Publisher: Cengage Learning,
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 1, Problem 3RWYL
Continuous or Discrete? Identify each variable as continuous or discrete:
a. Length of time between arrivals at a medical clinic
b. Time required to finish an examination
c. Weight of two dozen shrimp
d. A person’s body temperature
e. Number of people waiting for treatment at a hospitalemergency room
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
2. For each of the following, determine if the variable is continuous or discrete:a. Time taken to read a book chapterb. Favorite foodc. Cognitive abilityd. Temperaturee. Letter grade received in a class3. For each of the following, determine the level of measurement:a. T-shirt sizeb. Time taken to run 100 meter racec. First, second, and third place in 100 meter raced. Birthplacee. Temperature in Celsius
State whether the data described below are discrete or continuous, and explain why.
The number of car accidents on a given stretch of highway each year
Choose the correct answer below.
O A. The data are continuous because the data can take on any value in an interval.
O B. The data are discrete because the data can take on any value in an interval.
O C. The data are discrete because the data can only take on specific values.
OD. The data are continuous because the data can only take on specific values.
Determine whether each of the following variables would best be modeled as continuous or discrete.
a. The number of statistics students now reading a book.
b. The time it takes for a light bulb to burn out.
c. The number of points scored during a basketball game.
d. The floor area of a house.
e. The height of a randomly selected giraffe.
a. Is the number of statistics students now reading a book discrete or continuous?
O A. The variable is discrete.
B. The variable is continuous.
b. Is the time it takes for a light bulb to burn out discrete or continuous?
A. The variable is continuous.
B. The variable is discrete.
c. Is the number of points scored during a basketball game discrete or continuous?
A. The variable is continuous.
B. The variable is discrete.
d. Is the floor area of a house discrete or continuous?
O A. The variable is discrete.
B. The variable is continuous.
e. Is the height of a randomly selected giraffe discrete or continuous?
O A. The variable is discrete.
B. The…
Chapter 1 Solutions
Introduction To Probability And Statistics
Ch. 1.1 - Experimental UnitsDefine the experimental units...Ch. 1.1 - Experimental UnitsDefine the experimental units...Ch. 1.1 - Experimental UnitsDefine the experimental units...Ch. 1.1 - Experimental UnitsDefine the experimental units...Ch. 1.1 - Experimental UnitsDefine the experimental units...Ch. 1.1 - Qualitative or Quantitative? Are the variables in...Ch. 1.1 - Qualitative or Quantitative? Are the variables in...Ch. 1.1 - Qualitative or Quantitative? Are the variables in...Ch. 1.1 - Qualitative or Quantitative? Are the variables in...Ch. 1.1 - Discrete or Continuous? Are the variables in...
Ch. 1.1 - Discrete or Continuous? Are the variables in...Ch. 1.1 - Discrete or Continuous? Are the variables in...Ch. 1.1 - Discrete or Continuous? Are the variables in...Ch. 1.1 - Discrete or Continuous? Are the variables in...Ch. 1.1 - Discrete or Continuous? Are the variables in...Ch. 1.1 - Discrete or Continuous? Are the variables in...Ch. 1.1 - Discrete or Continuous? Are the variables in...Ch. 1.1 - Discrete or Continuous? Are the variables in...Ch. 1.1 - Populations or Samples? In Exercises 1922,...Ch. 1.1 - Populations or Samples? In Exercises 1922,...Ch. 1.1 - Populations or Samples? In Exercises 1922,...Ch. 1.1 - Populations or Samples? In Exercises 1922,...Ch. 1.1 - Parking on Campus Six vehicles selected from a...Ch. 1.1 - Past U.S. Presidents A data set gives the ages at...Ch. 1.1 - Voter Attitudes You are a candidate for your state...Ch. 1.1 - Cancer Survival Times A researcher wants to...Ch. 1.1 - New Teaching Methods A researcher wants to know...Ch. 1.2 - Pie and Bar Charts The data in Exercises 13...Ch. 1.2 - Pie and Bar Charts The data in Exercises 13...Ch. 1.2 - Pie and Bar Charts The data in Exercises 13...Ch. 1.2 - Groups of People Fifty people are grouped into...Ch. 1.2 - Presidential Popularity After the elections of...Ch. 1.2 - Presidential Popularity After the elections of...Ch. 1.2 - Presidential Popularity After the elections of...Ch. 1.2 - Presidential Popularity After the elections of...Ch. 1.2 - Presidential Popularity After the elections of...Ch. 1.2 - Prob. 10ECh. 1.2 - Prob. 11ECh. 1.2 - Prob. 12ECh. 1.2 - Prob. 13ECh. 1.2 - Prob. 14ECh. 1.2 - Prob. 15ECh. 1.2 - Back to Work How long does it take you to adjust...Ch. 1.2 - Prob. 17ECh. 1.2 - Prob. 18ECh. 1.2 - Prob. 19ECh. 1.2 - Prob. 20ECh. 1.2 - Prob. 21ECh. 1.3 - DotplotsConstruct a dotplot for the data given in...Ch. 1.3 - DotplotsConstruct a dotplot for the data given in...Ch. 1.3 - Stem and Leaf I Construct a stem and leaf plot for...Ch. 1.3 - Stem and Leaf I Construct a stem and leaf plot for...Ch. 1.3 - Stem and Leaf I Construct a stem and leaf plot for...Ch. 1.3 - Stem and Leaf II Use the following set of data...Ch. 1.3 - Stem and Leaf II Use the following set of data...Ch. 1.3 - Prob. 8ECh. 1.3 - Prob. 9ECh. 1.3 - Comparing Graphs A discrete variable can take on...Ch. 1.3 - Prob. 11ECh. 1.3 - Prob. 12ECh. 1.3 - Prob. 13ECh. 1.3 - Prob. 14ECh. 1.3 - Prob. 15ECh. 1.3 - Prob. 16ECh. 1.3 - Prob. 17ECh. 1.3 - Calcium Contents The calcium content (Ca)of a...Ch. 1.3 - Prob. 19ECh. 1.3 - Prob. 20ECh. 1.3 - Prob. 21ECh. 1.3 - Prob. 22ECh. 1.3 - Prob. 23ECh. 1.3 - Prob. 24ECh. 1.3 - American Presidents The following table lists the...Ch. 1.4 - Graphing Relative Frequency Histograms Construct a...Ch. 1.4 - Graphing Relative Frequency Histograms Construct a...Ch. 1.4 - Interpreting Relative Frequency Histograms Use the...Ch. 1.4 - Interpreting Relative Frequency Histograms Use the...Ch. 1.4 - Interpreting Relative Frequency Histograms Use the...Ch. 1.4 - Interpreting Relative Frequency Histograms Use the...Ch. 1.4 - Interpreting Relative Frequency Histograms Use the...Ch. 1.4 - Interpreting Relative Frequency Histograms Use the...Ch. 1.4 - Class Boundaries In Exercises 912, use the...Ch. 1.4 - Class Boundaries In Exercises 912, use the...Ch. 1.4 - Prob. 11ECh. 1.4 - Prob. 12ECh. 1.4 - Prob. 13ECh. 1.4 - Prob. 14ECh. 1.4 - Relative Frequency Histogram I Construct a...Ch. 1.4 - Prob. 16ECh. 1.4 - Prob. 17ECh. 1.4 - Prob. 18ECh. 1.4 - Prob. 19ECh. 1.4 - Prob. 20ECh. 1.4 - Prob. 21ECh. 1.4 - Prob. 22ECh. 1.4 - Prob. 23ECh. 1.4 - Prob. 24ECh. 1.4 - A Recurring Illness The length of time (in months)...Ch. 1.4 - Prob. 26ECh. 1.4 - Prob. 27ECh. 1.4 - Prob. 28ECh. 1.4 - Prob. 29ECh. 1.4 - Prob. 30ECh. 1.4 - Prob. 31ECh. 1.4 - Student Heights The self-reported heights of 105...Ch. 1.4 - Prob. 33ECh. 1 - Quantitative or Qualitative? Identify each...Ch. 1 - Symmetric or Skewed? Do you expect the...Ch. 1 - Continuous or Discrete? Identify each variable as...Ch. 1 - Continuous or Discrete, again Identify each...Ch. 1 - World Lakes A lake is a body of water surrounded...Ch. 1 - Prob. 6RWYLCh. 1 - Election Results The 2016 election was a race in...Ch. 1 - Prob. 8RWYLCh. 1 - Prob. 9RWYLCh. 1 - Pulse Rates A group of 50 biomedical students...Ch. 1 - Prob. 11RWYLCh. 1 - Prob. 12RWYLCh. 1 - Gasoline Tax The following are the 2017 state...Ch. 1 - Prob. 14RWYLCh. 1 - Prob. 15RWYLCh. 1 - Prob. 16RWYLCh. 1 - Kentucky Derby The following data set shows the...Ch. 1 - Prob. 18RWYLCh. 1 - Old Faithful The following data are the waiting...Ch. 1 - Prob. 20RWYLCh. 1 - Prob. 1CSCh. 1 - Prob. 2CS
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.Similar questions
- Find the mean hourly cost when the cell phone described above is used for 240 minutes.arrow_forwardIdentify each quantitative variable as discrete or continuous.a. Number of boating accidents along a 50-mile stretch of the Colorado Riverb. Time required to complete a questionnairec. Cost of a head of lettuced. Number of brothers and sisters you havee. Yield in kilograms of wheat from a 1-hectare plot in a wheat fieldarrow_forwardFor each of the following variables, determine whether the variable is categorical or numerical. If the variable is numerical, determine whether the variable is discrete or continuous. a. Distance (in miles) from a person's house to the nearest store b. Favorite smart phone application c. Number of people living in a household d. Number of cellphones in the household e. Length (in minutes) of the longest telephone call made in a month Question content area bottom Part 1 a. Distance (in miles) from a person's house to the nearest store is what kind of variable? discrete numerical categorical continuous numerical Part 2 b. Favorite smart phone application is what kind of variable? categorical discrete numerical continuous numerical Part 3 c. Number of people living in a household is what kind of variable? continuous numerical variable categorical discrete numerical variable…arrow_forward
- Identify each variable as continuous or discrete:a. Weight of two dozen shrimpb. A person’s body temperaturec. Number of people waiting for treatment at a hospital emergency roomd. Number of properties for sale by a real estate agencye. Number of claims received by an insurance company during one dayarrow_forwardDetermine whether each of the following variables would best be modeled as continuous or discrete. a. The height of a randomly selected giraffe. b. The number of bald eagles in the country. c. The weight of a T-bone steak. d. The number of people in a restaurant that has a capacity of 250. e. The number of textbook authors now sitting at a computer. a. Is the height of a randomly selected giraffe discrete or continuous? O A. The random variable is discrete. O B. The random variable is continuous. b. Is the number of bald eagles in the country discrete or continuous? O A. The random variable is discrete. B. The random variable is continuous. c. Is the weight of a T-bone steak discrete or continuous? O A. The random variable is discrete. B. The random variable is continuous. d. Is the number of people in a restaurant that has a capacity of 250 discrete or continuous? O A. The random variable is discrete. O B. The random variable is continuous. e. Is the number of textbook authors now…arrow_forwardClassify the following variables according to whether they are nominal, ordinal, interval, or ratio data. Brand of soft drinks Birth order of children in a family Places in a beauty contest Scores in an aptitude test Speed of cars in kilometers per hour Varieties of com Scores in an oratorical contest Weight of children Grades in English Height of studentsarrow_forward
- State whether the data described below are discrete or continuous, and explain why. The numbers of wheels on different vehicles Choose the correct answer below. O A. The data are discrete because the data can take on any value in an interval. O B. The data are continuous because the data can only take on specific values. O C. The data are discrete because the data can only take on specific values. O D. The data are continuous because the data can take on any value in an interval.arrow_forwardIdentify the variable quantity as discrete or continuous. the number of heads in 50 tossed coins Choose the correct answer below O Continuous O Discretearrow_forwardRs. 10,000. med - 1s00 mile same route U., B.A./B.Sc, 1 No. of Pairs d the average spe (ii) Heights of 6 boys: 64", 65", 65", 66", 66", 67". P.U., B.A./B.Sc. (iii) Handicaps of four golfers: 4, 18, 18, 20. The following data relate to sizes of shoes sold at a store during a given week. Find the median of the shoes. Also calculate the quartiles, the 7th decile and the 64th percentile. 3.33 no rides the first mile at the rate d Size of Shoes 5 9. 7 8. 9. rate of 5.5 miles 2 15 30 60 40 23 11 4. 1 (P.U., B.A. (Hons.) 1962) 10 stages at ep various stages D, 30, 40 kilomet the bus travels. Calculate the Mean, Median and Modenumbers of persons per house from the data: 3.34 4 6. 8. 6. 10 1 3. No. of persons per house ne case of a pers niles an hour, U nd the third m 60 42 21 14 4 26 113 120 95 No. of houses (P.U., B.A. (Hons.) 1969) the follouring data: 7,arrow_forward
- A. Name or give two variables for each cell. Use a variable only once and exclude all the variables used in the activities and examples. Discrete Continuous Qualitative Nominal Ordinal Interval Ratioarrow_forward1. For each of the variables indicate the type of variable: quantitative or qualitative. Also, indicate the level of measurement for the variable: nominal, ordinal, interval, or ratio. a. Room temperature b. Number on the shirt of the football player. c. Grade in statistics class.(A, B, C, D, F) d. Duration of statistics class. e. Dosage of medication. f. Customer satisfaction rating (very happy, happy, not happy)arrow_forwardA reseacher desires to know if the age of a child is related to the number of cavities he or she has.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Algebra: Structure And Method, Book 1AlgebraISBN:9780395977224Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. ColePublisher:McDougal Littell
Functions and Change: A Modeling Approach to Coll...AlgebraISBN:9781337111348Author:Bruce Crauder, Benny Evans, Alan NoellPublisher:Cengage Learning
Big Ideas Math A Bridge To Success Algebra 1: Stu...AlgebraISBN:9781680331141Author:HOUGHTON MIFFLIN HARCOURTPublisher:Houghton Mifflin Harcourt
Holt Mcdougal Larson Pre-algebra: Student Edition...AlgebraISBN:9780547587776Author:HOLT MCDOUGALPublisher:HOLT MCDOUGAL
Algebra & Trigonometry with Analytic GeometryAlgebraISBN:9781133382119Author:SwokowskiPublisher:Cengage
Glencoe Algebra 1, Student Edition, 9780079039897...AlgebraISBN:9780079039897Author:CarterPublisher:McGraw Hill
Algebra: Structure And Method, Book 1
Algebra
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:McDougal Littell
Functions and Change: A Modeling Approach to Coll...
Algebra
ISBN:9781337111348
Author:Bruce Crauder, Benny Evans, Alan Noell
Publisher:Cengage Learning
Big Ideas Math A Bridge To Success Algebra 1: Stu...
Algebra
ISBN:9781680331141
Author:HOUGHTON MIFFLIN HARCOURT
Publisher:Houghton Mifflin Harcourt
Holt Mcdougal Larson Pre-algebra: Student Edition...
Algebra
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:9781133382119
Author:Swokowski
Publisher:Cengage
Glencoe Algebra 1, Student Edition, 9780079039897...
Algebra
ISBN:9780079039897
Author:Carter
Publisher:McGraw Hill
Propositional Logic, Propositional Variables & Compound Propositions; Author: Neso Academy;https://www.youtube.com/watch?v=Ib5njCwNMdk;License: Standard YouTube License, CC-BY
Propositional Logic - Discrete math; Author: Charles Edeki - Math Computer Science Programming;https://www.youtube.com/watch?v=rL_8y2v1Guw;License: Standard YouTube License, CC-BY
DM-12-Propositional Logic-Basics; Author: GATEBOOK VIDEO LECTURES;https://www.youtube.com/watch?v=pzUBrJLIESU;License: Standard Youtube License
Lecture 1 - Propositional Logic; Author: nptelhrd;https://www.youtube.com/watch?v=xlUFkMKSB3Y;License: Standard YouTube License, CC-BY
MFCS unit-1 || Part:1 || JNTU || Well formed formula || propositional calculus || truth tables; Author: Learn with Smily;https://www.youtube.com/watch?v=XV15Q4mCcHc;License: Standard YouTube License, CC-BY