Determine number of files should auditor sample

Assignment Help Basic Statistics
Reference no: EM13111941

The auditor wishes to evaluate what proportion of bank's commercial loan files are incomplete. Auditor wants to be within 7% of true proportion when using 95% confidence level. How many files should auditor sample? No estimate of proportion is available, so use 0.5 for population proportion.

Reference no: EM13111941

Questions Cloud

Information regarding test of hypothesis : Find the test statistic, p-value and critical value and state a final conclusion. Sample data: n=40, mean of the values in a sample = 117, assume that the standard deviation = 14 and the significance level = 0.05
Create acceptance-rejection technique for geometric random : Create the acceptance-rejection technique for creating the geometric random variable, X, with parameter p on range {0, 1, 2, ...}.
Develop procedure by which individual plastics separated : Your metropolitan area has been warned by the EPA to lower sulfur dioxide and nitrogen oxide emissions or it will lose substantial federal funding. One citizen's group calls for conservation as a means of drastically reducing electricity consumption.
Test the means of two populations : Two boats the prada (Italy) and the oracle (USA) are competing for a spot in the upcoming Americans cup race. They race over a part of the course several times. Below are the sample times in minutes at the .05 significance level.
Determine number of files should auditor sample : Auditor wants to be within 7% of true proportion when using 95% confidence level. How many files should auditor sample?
Testing hypotheses by the excel : There are four auto body shops in a community and all claim to promptly serve customers. To check if there is any difference in service customers are randomly selected from each repair shop and their waiting times in days are recorded.
Finding calcium carbonite in lake : If a piece of Calcite (Calcium Carbonate) is put into the lake, would it tend to dissolve? Calcium carbonate solubility is 10^-8.35 M2, and the measured concentration of calcium ion is 0.1mM (millimolar)
What is primary crossing : What is primary crossing? What is the purpose of primary crossing in sorting mutants with similar phenotypes into complementation groups.
Concepts in hypothesis testing : A p-value of 0.82 obtained for a particular hypothesis test would indicate strong evidence that the null hypothesis is true. Discuss.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Integer programming model to maximize profit

Jeweller desires to know how many of each item to make each week to maximize profit. Create the integer programming model for this problem (written in format similar to way Problems 1 and 2 were presented).

  Determining sample proportions and z test statistic

At α = .01, did yellow fire trucks have a considerably lower accident rate? Determine sample proportions and z test statistic.

  Description of stat problem

You want to estimate today's mean temperature, so you make a series of measurements (taken as a sample) throughout the day. The mean of these measurements is 63 degrees Fahrenheit, and their standard deviation is 3.4 degrees Fahrenheit.

  Survey investigates either the proportion for employees

A state survey investigates either the proportion of 8percent for employees who commute by car to work is higher than it was five years ago.

  Find out the standard error of the proportion

a. Determine the sample proportion, p, of households with cellular telephones that can be used to access the Internet. b. If the population proportion is 0.40, determine the standard error of the proportion.

  Question-normal probability distribution

The goal at U.S. airports handling international flights is to clear these flights within 45 minutes. Let's interpret this to mean that 95 percent of the flights are cleared in 45 minutes

  Recognizing and describing potential threats

Recognize and describe potential threats (up to 3) to internal validity.

  Write the example of statistics from news

Write the example of statistics in news to explain the following statement which represents one of the objectives of statistics analysis: "Statistics assists us make decisions.

  Marginal probability-conditional probability

If an apartment is selected at random, what is the probability that it is not a 2 bedroom apartment on the 2nd floor?

  Upper and lower control limits using qm-quality control

The smallest defect in a computer chip will render the entire chip worthless. Therefore, tight quality control measures must be established to monitor the chips.

  Least square regression equation

What would you predict the price per share to be if 95 million shares were offered?

  Likelihood of the sample mean

What is the likelihood the sample mean is greater than $22.50 but less than $25.00?

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