A machine produces 3 inch nails. a sample of 100 nails is

Assignment Help Basic Statistics
Reference no: EM13241089

A machine produces 3 inch nails. A sample of 100 nails is selected, and it is found that 25 are shorter than 3 inches. Find the 95% confidence interval on the proportion of all such nails that are shorter than 3 inches.

Reference no: EM13241089

Questions Cloud

Assess the impact of an event on a population : Assess the impact of an event on a population. I ran a survey before the event and then I ran the survey after the event. The collected responses matched between prior to the event and after. I used paired t-test to determine if the event had a posit..
Nature of industrial relationship between workers-employers : How did the process of industrialization affect the nature of the industrial relationship between workers and their employers?
Do you have an opinion on this question : I want to know whether the StdError of the fitted score (SEYhat) can be legitimately interpreted normally for N=1 subject, with only one plotted Y score for each X value.
When estimating the mean of a population how large must the : When estimating the mean of a population, how large must the sample be in order that the 95% error margin is 1/8 the standard deviation?
A machine produces 3 inch nails. a sample of 100 nails is : A machine produces 3 inch nails. A sample of 100 nails is selected, and it is found that 25 are shorter than 3 inches. Find the 95% confidence interval on the proportion of all such nails that are shorter than 3 inches.
What sample size is necessary : Survey to determine what proportion of new car buyers continue to have their car serviced at the dealership after warranty ends. Estimates 30% of customer do so.
Pre-industrial or emerging countries : From your own readings, study, and personal experience, contrast the living conditions of people living in post-industrial countries (e.g., the United States) with those in pre-industrial or emerging countries.
A researcher expects the population proportion of the cubs : A researcher expects the population proportion of the Cubs Fans in Chicago to be 80%. Error of less than 5% confident of an estimate to be made from a mail survey. What is the sample size required?
In a national wide survey a researcher expects 30 percent of : In a national wide survey a researcher expects 30 percent of the population will agree with an value statement. He wishes to have less than 2% error and 95% confident. What sample size is needed?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Determining demand and revenue

Pools sells above ground model for 'p' dollars each. The monthly revenue from the sale of the pool is given by

  Regression analysis using compa as the dependent variable

Perform a regression analysis using compa as the dependent variable and the same independent variables as used in question 2. Show the result, and interpret your findings by answering the same questions.

  Find sufficient evidence to reject the null hypothesis

If the average importance were computed for each group, would you expect the sample means to be similar or different? What was the total sample size in this study?

  Find probability that none of trucks is out of service

Truck Being Out Of Service On A Particular Day Is .40.on A Particular Day Find The Probability That None Of The Trucks Is Out Of Service.

  Parametric dependent and independent samples

What are differences between parametric dependent and independent samples? My facilitator has been known to describe a scenario with two objects and an associated measurement versus another scenario with one object and two associated measurements ..

  Determine the standard deviation

What is the possibility that for a arbitrarily selected customer the service time could exceed 3 minutes?

  Find the probability to drew red chip ?rst then black chip

Suppose a bag contains 7 red chips, 8 black chips, and 3 green chips. You draw two chips (without replacement) from the bag. Find the probability that you drew a red chip ?rst and then a black chip second.

  Determine probability to make purchase at shoe store

Cash back when they make a purchase at a shoe store. or C. an entry into a sweepstakes when they make a purchase. I need to determine the probability of each option.

  Critical value to test the significance

The regression equation is Y = 29.29 - 0.96X, the sample size is 8, and the standard error of the slope is 0.22. What is the critical value to test the significance of the slope at the 0.01 significance level?

  Identify optimal assignments and compute total minimum time

Which salesperson should be assigned to each region to minimize total time? Identify the optimal assignments and compute total minimum time.

  Diameter of stabilizing o-rings washers

The diameter of stabilizing O-Rings washers manaufactured at a large factory is expected to be normally distributed with a mean of 1.30 inches and a standard deviation of 0.04 inches.

  Probability that a package of almonds will weigh

The weight of an almond is normally distributed with mean 0.05 ounce and standard deviation of 0.015 ounce. Find the probability that a package of 100 almonds will weigh between 4.3 and 5.3 ounces.

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