Determine whether each random variable is discrete or continuous.A. The time it takes for a customer to enter a retail store's checkout lane.B. The number of popcorn kernels in a 1-pound containerC. The temperature of a coffee cup served at a restaurant.D. The number of clerical mistakes found on a medical chart.E. The amount of chicken delight meals purchased in a single day

A quantitative variable may be continuous or discrete Discrete : It can take on only certain values.…

Answered: Determine whether each random variable…

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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A population is? Choose the correct letter. A. taken from the sample B. the same as sample. C. all items of interest in a particular study.
750 Chapter 30: Representing and Interpreting Data with One Variable 3. JA shoe factory is making a new shoe style to sell to women in a small country in the Pacific. To determine what sizes and how many of each size to manufacture, they collected a random sample of 50 women and measured their shoe sizes. Here are the results: 5.5 6.5 5.5 4.5 5 6. 5.5 5.5 6.5 6 5.5 4.5 5 6. 5.5 6 6. 5 6.5 7 6. 6.5 5 6.5 5.5 5.5 7 6.5 7.5 5.5 6 5.5 6.5 7.5 4.5 4 5.5 6 5 5 6.5 5 4 6. 5.5 Calculate the mean and standard deviation of the sizes and interpret the results in terms of what relative quantities of which sizes the factory should make. Then find the five-number summary and decide which set of information gives you more assistance in making a decision for the shoe factory.
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Select the correct answer and write the appropriate letter in the space provided _____ 1. A grouping of data into classes giving the number of observations in each class is called a(an) a bar chart. b. frequency distribution. c. pie chart. d. cumulative frequency distribution. ______ 2. The distance between consecutive lower class limits is called the a. class interval. b. frequency distribution. c. class midpoint. d. class frequency. ______ 3. The class midpoint is a. equal to the number of observations. b. found by adding the lower class limits of two consecutive classes and dividing by 2. c. equal to the class interval. d. all of the above. ______ 4. The number of observations in a particular class is called the a. class interval. b. class frequency. c. frequency distribution. d. none of the above. ______ 5. A bar chart is used most often when a. you want to show frequencies as compared to total observations. b. you want to show…
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Determine H and a from the given parameters of the population and the sample size. Round the answer to the nearest thousandth where appropriate. H-42, a 36, n=36 a. P b.σ =
Find the population mean or sample mean as indicated. Population: 8, 9, 11, 10, 7 Select the correct choice below and fill in the answer box to complete your choice. OA. x= OB. H=
Determine whether each random variable is discrete or continuous. Answer only DISCRETE OR CONTINUOUS.a. The number of boys in a three-child family chosen at random.b. A cup of coffee served at a restaurant's temperature.c. The number of no-shows for every 100 commercial airline reservations.d. The number of automobiles owned by a household chosen at random.e. The average amount spent on electricity by a randomly selected household ineach state during the month of July.
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