Probability-population and sample

Assignment Help Basic Statistics
Reference no: EM13102322

Question: There are 40 English students enrolled. The teacher questioned 5 students who always sit in the back of the classroom. Three of the 5 said "yes" when asked if they would like "A Tale of Two Cities" as the next class reading assignment.

a. Identify the population and the sample in this situation.

b. Is this likely to be a representative sample? If not, why not?

Reference no: EM13102322

Questions Cloud

Analyze grint-s useful to study constitutive approaches : Analyze Grint's support for why it is useful to study Constitutive/Social Constructivist approaches to leadership and give critical assessment of why case he presents is compelling or not.
Relation between mortality from cirrhosis : Perform a significance test to assess whether there is an association between mortality from cirrhosis of the liver and duration of employment in the group hired after 1945. Report a p-value.
Finding probabilities with binomial distribution : A regional manager visits local fast-food franchises and evaluates the speed of the service. If the manager receives her meal within 45 seconds, the server is given a free movie-admission coupon.
Find the value of m : The end point of a spring vibrates with a period of 1.9 seconds when a mass m is attached to it. When this mass is increased by 9.630×101 kg, the period is found to be 4.1 seconds. Find the value of m.
Probability-population and sample : There are 40 English students enrolled. The teacher questioned 5 students who always sit in the back of the classroom. Three of the 5 said "yes" when asked if they would like "A Tale of Two Cities" as the next class reading assignment.
Probability that fifth fish caught is the first young fish : When a fisherman catches a fish, it is a young one with a probability of 0.23 and is returned to the water. On the other hand, an adult fish is kept to be eaten later.
Normal distributions-z scores and probabilities : A continuous random variable, x, is normally distributed with a mean of $1000 and a standard deviation of $100. Convert each of the following x values into its corresponding z-score.
Explain human behavior deviant in one society : When the crime is committed by someone who has powerful status in this society, how is their deviant behavior tackled in comparison to someone who has less power in society?
Worldwide transfer of knowledge and innovation : Do you believe it is possible for a global industry to simultaneously achieve the goals of global efficiency and integration, national responsiveness and flexibility and the worldwide transfer of knowledge and innovation?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Source of measurement error

Provide two examples for each source of measurement error and include how each example might likely influence research results.

  Confidence interval for the true percentage of all household

Find a 96% confidence interval for the true percentage of all households that have central air conditioning.  Write a sentence that interprets this interval.

  Make a pareto diagram and give conclusions

What reasons for complaints do you think the hotel should focus on if it wants to reduce the number of complaints? Describe.

  Determining one way anova

Scrap rates per thousand (parts whose defects cannot be reworked) are compared for 5 randomly selected days at three plants. Does the data prove a significant difference in mean scrap rates?

  Determine the confidence interval

Which of the following assumptions for inference about a proportion using a confidence interval are violated,

  Significant difference in proportions-level of significance

Assuming 250 of each sex, can we conclude that there is a significant difference in the proportions at a 0.05 level of significance?

  Wilcoxon rank-sum test

Suppose there are two samples of size 6 and 7, with a rank sum of 58 in the sample of size 6. Using the Wilcoxon rank-sum test, evaluate the significance of the results, assuming there are no ties.

  Level of measurement-class intervals

Determine the level of measurement for these items related to the newspaper business? The following data gives the weekly amounts spent on groceries for sample of households.

  Concepts of probability

Ten prominent citizens have been nominated for a community's "Citizen of the Year" award. First- and second-place trophies are awarded to the two persons receiving the highest and second-highest number of votes.

  Probability of getting repeat customers

In a market study for Target, a researcher found that 70% of customers are repeat customers. If 14 customers are selected at random, find the probability of getting.

  Priori hypothesis

Suppose you want to estimate the sample size for a multiple correlation analysis. There are five predictors in your study.

  Productivity and variables

Many people attend work and produce little or nothing of value that is why they are terminated.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd