Standard error of the proportion

Assignment Help Basic Statistics
Reference no: EM131099616

A local school district wants to survey parents about their attitudes toward the elimination of the marching band program as a way to save money. The school district sampled 120 parents and found 74 supported the plan to cut the band program.

A. Find the standard error of the proportion

B. Find the 95% confidence interval for the population of the proportion

Reference no: EM131099616

Questions Cloud

Sum of the setup and machine operation times : At a machine tool plant, five jobs must be completed each day. The time it takes to do each job depends on the machine used to do the job. If a machine is used at all, there is a setup time required. The relevant times are given in Table.
Determine the input and output poles of the circuit : Due to a manufacturing error, a parasitic resistance Rp has appeared in series with the source of M1 in Fig. 11.65. Assuming λ = 0 and neglecting other capacitances, determine the input and output poles of the circuit.
What is the total amount you will receive : A clever, rich, and wealthy local politician promises to give you $1,000 on the first day of four months before elections. From here on he will give you 9/10 of the amount he gave you the day before.
Extensive form representations of a strategic : Consider the voting game. Suppose that each voter conditioned her second stage vote on how he voted the first time around. Explain why every strategy has five components in this case.
Standard error of the proportion : A local school district wants to survey parents about their attitudes toward the elimination of the marching band program as a way to save money. The school district sampled 120 parents and found 74 supported the plan to cut the band program.
Probability of a disk drive error : Using the information from the component performance standards, what is the probability of a disk drive error given that a failure occurred?
Third evaluation concerns staff scheduling : The third evaluation concerns staff scheduling. Some of the customers have complained that service is slow. The restaurant is open from 11:00 a.m. to midnight every day of the week. Tony divided the workday into five shifts.
How implement and communicate your brand positioning : MKT10007 Fundamentals of Marketing. Summarize how your recommended Marketing Mix will implement and communicate your Brand Positioning
How to compete in individual country markets : How to compete in individual country markets? The standardization of specific competitive marketing variables (attitudes, etc you introduced) across country markets (Liberia vs. USA).

Reviews

Write a Review

Basic Statistics Questions & Answers

  The weekly income of night cashiers at a major department

the weekly income of night cashiers at a major department store follows the normal probability distribution. the

  1at what age do babies learn to crawl does it take longer

1.at what age do babies learn to crawl? does it take longer to learn in the winter when babies are often bundled in

  How do you know when to use the minimization and

how do you know when to use the minimization and maximization lp

  Find whether demand and unit price are related using t test

Carry out t test and find out whether or not demand and unit price are related. Let a=.05. Carry out an F test and find out whether or not demand and unit price are related.

  What is the probability of selecting two aces without

question 1 if an unbiased coin is flipped 3 times what is the probability of getting exactly two heads?question 2 what

  A large university is interested in the outcome of a course

a large university is interested in the outcome of a course standardization process. they have learned that 150

  Perform z test using the five steps hypothesis testing

Ccarry out a Z test using the five steps hypothesis testing with a two-tailed test at the .05 significance level, and make a drawing of the distributions involved.

  Suppose that the probability of a baseball player getting a

suppose that the probability of a baseball player getting a hit in at bat is 0.2807. if the player has 38 at-bats

  Problem related to the selection of colorblind person

Assume that 5% of men and only .25% of women are colorblind. A colorblind person is chosen at random:

  What proportion of the households spend less

If the weekly average expenditure of all households is $53,000 but an expert argues that the weekly expenditure is more than $53,000, test his claim at a 5% level of significance and interpret your results.

  Find probability that student had a score higher

Possible test scores could range from 0 to 500. Assume that the scores are normally distributed. Find the probability that a student had a score higher than 320.

  Determining confidence interval for true mean

Create a 95% confidence interval for true mean.

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