Ninety nine percent confidence interval for the population

Assignment Help Basic Statistics
Reference no: EM1397120

In a survey of 8000 woman, 5431 say they change their nail polish once a week. Construct a 99% confidence interval for the population proportion of woman who change their nail polish once a week. A 99% confidence interval for the population is??

Reference no: EM1397120

Questions Cloud

Estimate expected phenotypic ratio of the offspring : In pea plant flowers, purple (P) is completely dominant to white (p). If a plant that is true breeding for purple flowers is crossed with a plant with white flowers,
Determining regression-range : What measurements assesses the amount of variance of change in the dependent variable reflected by changes in the independent variable?
Change in a nucleotide in mrna : Transfer of DNA from a donor to a recipient cell by a bacteriophage. Feedback inhibition differs from repression because feedback inhibition
Create comprehensive recovery plan on super bowl : Create the comprehensive Recovery Plan for one of Chemical Attack on the Super Bowl. Describe the suitable role and responsibility for all agencies involved.
Ninety nine percent confidence interval for the population : In a survey of 8000 woman, 5431 say they change their nail polish once a week. Construct a 99% confidence interval for the population proportion of woman who change their nail polish once a week. A 99% confidence interval for the population is??
Normal distribution or a t-distribution : For the following situation, assume the random variable is normally distributed and use a normal distribution or a t-distribution to construct a 90% confidence interval for the population mean. If convenient, use technology to construct the confid..
Compute the atomic weight : Compute the atomic weight for this naturally occurring element A and A Naturally occurring element A exists in three forms of its isotopes
Why nad+ is preferentially used for catabolic reaction : Although standard redox potentials of NAD+ and NADP+ are essentially the same, and both are capable of carrying high-energy electrons, they are used in very distinct reactions in cells.
What are the genotypes of the f1 and f2 progeny : Based on the data, propose a hypothetical biochemical explanation for the colors of the flowers in the F2 progeny. Again, explain your reasoning.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Result and conclusion regarding hypothesis-domestic violence

John conducted his study to measure self-esteem among victims of domestic violence before and after they complete an 8-week program for abuse victims with 10 individuals. He calculated t = 1.9 from his data.

  Formulate the appropriate linear program

In addition, the  cruise line has decided to plan for an additional 25% more meals than bookings. Formulate the appropriate linear program and solve using Excel Solver. Show your Work in Excel.

  Length of a randomly selected call

The length of a particular telemarketing phone call has an exponential distribution with a mean equal to 1.5 minutes. Find the probability that the length of a randomly selected call will be between 30 - 50 minutes and 1 minuter or longer.

  Determining confidence interval for proportion of all voters

Determine a 95% confidence interval for proportion of all voters in favour of candidate.

  Probability that economic conditions are good

If Household is selected at random, find out the probability that it feels economic conditions are good?

  Establish the comparison of coefficient of variation

Public transportation and the automobile are two methods an employee can use to get to work each day. Samples of times recorded for each method are shown. Times are in minutes.

  Finding the p-value for testing the hypotheses

Conduct a test to determine whether blood lactate level (y) is linearly related to perceived recovery (x). Use alpha = .05. Find the p-value for testing the hypotheses you gave in the previous problem. Show all decimal places in your answer.

  Information about truth in advertising

Infomercials often peddle products under the guise of "studies show," While some of the products are surprisingly good, many aren't.

  Bar chart and expected frequencies for each class

Advertisers need to know which age groups are likely to see their ads. Purchasers of 120 copies of Cosmopolitan are shown by age group, (a) Make a bar chart and describe it. (b) Calculate expected frequencies for each class.

  Test for the variance of girls score

Carry out the test for the variance of girls score is not significantly less than the given data.

  Comparing two different normal distributions

Supposing that both tests measure the same kind of ability, who has the higher score? If grading were done on a curve, what would their respective percentages be?

  Appropriate test at a level of significance

The buyer-believes that the differences are normally distributed and will use this sample to perform an appropriate test at a level of significance of 0.01.

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