Find the sample portion of defective fax machine

Assignment Help Basic Statistics
Reference no: EM131320173

A manufacturer claims that fewer than 6% of its fax machines are defective. In a random sample of 240 such fax machines, 12 are defective.

A) Find the sample portion of defective fax machine

B) Find the critical Z value that corresponds to a 92% confidence level, rounded to 2 decimal places

C) Construct a 92% confidence interval, rounding to 4 decimals places.

D) Find the margin of error E, rounded to 4 decimal places, for the 92% confidence interval.

E) Does the interval support the claim that less than 6% of the fax machines are defective? Yes or No. no explination needed

Reference no: EM131320173

Questions Cloud

Briefly describe the phenomenon of magnetization : When can an effective permittivity be defined for an anisotropic dielectric material?
Find the probability that the left side : A real number X is randomly chosen from the interval [0,10], dividing the interval into a left and a right side. Find the probability that the left side is at least four times as big as the right.
How do you plan to implement career development : How do you plan to implement career development using internal and external resources? How will you will keep training and access to opportunities equal? How will you will increase employees' KSAs (knowledge, skills, and abilities)
State relationship between d and e in a dielectric material : State the relationship between D and E in a dielectric material. How does it simplify the solution of field problems involving dielectrics?
Find the sample portion of defective fax machine : A manufacturer claims that fewer than 6% of its fax machines are defective. In a random sample of 240 such fax machines, 12 are defective. A) Find the sample portion of defective fax machine
How polarization current arises in a dielectric material : What is the polarization vector? How is it related to the electric field intensity?
Probability that one flight will exceed the capacity : An airline estimates that 92% of people booked on their flights actually show up. If the airline books 76 people on a flight, find the propability that exactly 73 people will show up. for which the maximum number is 74, what is the probability tha..
Definition of business law and why one should study it : For your final assignment, you will be creating a brochure that informs an audience as to all of the amazing topics that you covered. In your brochure you will need to include: A definition of Business Law and why one should study it. The differenc..
Carefully review the revision letter and the margin comments : Carefully review the revision letter and the margin comments that you see on your returned paper. Consider each of the suggestions provided to help you to revise your paper

Reviews

Write a Review

Basic Statistics Questions & Answers

  Discuss how validity and reliability will be achieved

Discuss how validity and reliability will be achieved. Explain how the data will be physically collected. Explain where data will be stored and how it will be protected.

  An airline has classified its customers as high-volume

an airline has classified its customers as high-volume travelers assumed to be business travelers or low-volume

  Determine the expected value of x

What is the probability the company will win at least one contract and What is the probability that no fruit trees and 2 of each of the others will be selected? 23)

  A researcher is using a chi-square test to determine

a researcher is using a chi-square test to determine whether there are any preferences among four brands of cola. with

  Questions under regression and correlation

The estimated simple linear regression equation minimizes the sum of the squared deviations between each value of Y and the line.

  Finding expected mean and standard deviation

Finding Expected Mean and Standard Deviation

  For the following claim find the null and alternative

for the following claim find the null and alternative hypothesis test statistic p-value critical value and draw a

  What are the possible consequences of errors associated

What are the possible consequences of errors associated with these duties? How frequently are these duties performed? How do they relate when compared with other duties?

  Binomial distribution to determine this

The probability that a light bulb of a given brand is faulty is .1. You want to find the probability that fewer than 5% of a shipment of 1000 light bulbs is faulty. Use the Binomial Distribution to determine this.

  Provide one business-related example each with explanation

assignment questionsquestion 1a the following data represent the number of years patients survived after being

  Normally distributed with a standard deviation

The mean incubation time for a type of fertilized egg kept at 100.5°F is 23 days. Suppose that the incubation times are approximately normally distributed with a standard deviation of 1 day.

  What is the probability of a type ii error if the true

a researcher concerned about the foreign ownership of the retail trade industry in the u.s. conducts a survey of

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