Activity 2.1: Construct Me!Direction: Do what are asked in the given problem.1. Samples of 3 cards are drawn without replacement from a population of five cardsnumbered from 4 to 8. pa. How many possible samples can be drawn?D. List all the possible samples and compute the mean of each sample.SampleSample MeanC. Construct the sampling distribution of sample means.Sample MeanFrequencyProbabilityP(x)2022.03.04 21:50 d. What is the probability that the mean of the numbers is 7?e. What is the probability that the mean of the numbers is greater than or equal to67f. What is the probability that the mean of the numbers is less than 7?g. What is the probability that the mean of the numbers is between 5 and 7?

There are 5 cards numbered from 4 to 8. 3 cards are selected at random without replacement. So, the…

Answered: 1. Samples of 3 cards are drawn without…

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 consists of the four numbers: 2, 3, 6, and 9. You have to consider all possible samples of size 2 that can be drawn from this population. Find the following: 1. List all of the possible sample of size of 2. 2. Compute the mean of each sample 3. Identify the probability of each sample 4. Illustrate the histogram
a. Construct a boxplot for the data in this sample b. What type of shape does the distribution of the sample appear to have?
Race organizers want to survey the participating runners on the quality of the running course. Which of the following uses systematic random sampling? Select the first 15 finishers and the last 15 finishers to take the survey. Randomly select 15% of the male participants and 15% of the female participants. Select the 5th finisher (with the number 5 being randomly chosen) to survey, then survey every 15th finisher after that. Sort all of the runners' names alphabetically, then randomly choose 2 letters and survey all participants whose last name begins with one of those letters.
You are the operations manager for an airline and you are considering a higher fare level for passengers in aisle seats. How many randomly selected air passengers must you survey? Assume you want to be 90% confident that the sample percentage is within 2.5 percentage points of the true population percentage. Completed parts a and b below. A.) assume that nothing is known about the percentage of passengers who prefer aisle seats. N= ____ (round up to the nearest integer) B.) assume that a prior survey suggest that about 35% of air passengers prefer an aisle seat. N=____ (round up to the nearest integer)
6
Q. 2 Describe Sign test for one sample. one
Representativeness of a sample is principally determined by the ?
Last school year, the student body of a local university consisted of 30% freshmen, 24% sophomores, 26% juniors, and 20% seniors. A sample of 400 students taken from this year's student body showed the following number of students in each classification. Freshmen 113 Sophomores 98 Juniors 115 Seniors 74 We are interested in determining whether or not there has been a significant change in the classifications between the last school year and this school year. The calculated value for the test statistic equals Select one: a. .54. b. .65. c. 2.063. d. 2.664.
About 6% of the population has a particular genetic mutation. 1000 people are randomly selected.Find the mean for the number of people with the genetic mutation in such groups of 1000.
A quarterback threw 1 interception in his first game, 2 interceptions in his second game, and 5 inter-ceptions in his third game, and then he retired. Consider the values1, 2, and 5 to be a population. Assume that samples of size 2 are randomly selected (with replacement) from the population. List the 9 different possible samples, and find the mean of each sample.
Answers only. Thank you An instructor recorded the following number of correct items (in a quiz with 10 questions) for the 12 students present: 7, 4, 2, 2, 2, 9, 10, 6, 7, 3, 8, 5. What is the level of measurement of the data obtained?* a. Ordinal b. Ratio c. Interval d. Nominal 2. The purpose of stratified random sampling is to make certain that* a. the sample is more representative of the target population than the accessible population. b. the participants chosen for the study are the ones most likely to react to the treatment. c. every member of the population has an equal chance of being selected for the sample. d. the sample proportionately represents individuals from different categories of the population 3. In a simple random sample, a. each member in the population has a chance of being included in the sample. b. not all members in the population are given the chance of being selected. c. each…

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1. Samples of 3 cards are drawn without replacement from a population of five cards numbered from 4 to 8. a. How many possible samples can be drawn? b. List all the possible samples and compute the mean of each sample. Sample Sample Mean