Difference in the proportion of defectives

Assignment Help Basic Statistics
Reference no: EM1397259

I want to know which of two manufacturing methods will be better. I create 10 prototypes using the first process, and 10 using the second. There were 3 defectives in the first batch and 5 in the second. Find a 95% confidence interval using the plus four method for the difference in the proportion of defectives.

a.(-0.6204, 0.22037)

b.(-0.5555, 0.22214)

c. (-0.4930, 0.16001)

Reference no: EM1397259

Questions Cloud

Explain purpose of each part of life cycle of project : Use characteristics of the project to distinguish it from operations work. Explain the life cycle of project and describe the purpose of each part of the cycle.
Slope of simple linear regression equation : If the t ratio for the slope of a simple linear regression equation is equal to 1.614 and the critical value of the t distribution at the 1% and 5% levels of significance, respectively, are 3.499 and 2.365 is the slope:
Information of linear regression analysis : Application of simple linear regression analysis to the estimation of a demand equation has yielded the following
Which two processes are instrumental in developing variation : Some plant breeders are concerned about the resistance of asexually cultivated plants, such as seedless bananas, to new strains of disease-causing bacteria, viruses, or fungi.
Difference in the proportion of defectives : There were 3 defectives in the first batch and 5 in the second. Find a 95% confidence interval using the plus four method for the difference in the proportion of defectives.
Formulating a linear programming model : A company produces two products that are processed on two assembly lines. Assembly line 1 has 100 available hours, and assembly line 2 has 42 available hours.
Determine the structure of complete tcr and bcr : You have developed a keen interest in the adaptive immune system and plan on dedicating your scientific career to the study of this elegant system!
How is rgw information in gene transcribed into rna : how is the base sequence of messenger RNA translated into protien?
Testing the population means differ using significance level : The population standard deviation is σ2 = 7. Test that the population means differ using a 1% significance level.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Finding estimate and confidence interval for mean

Find out point estimate and 95% confidence interval for mean family dental expenses of all employees of company.

  Normal approximation to the binomial probability

How would you find the normal approximation to the binomial probability P(x = 5) in part A? Please show how you would calculate µ and σ in the formula for the normal approximation to the binomial, and show the final formula you would use without g..

  Estimating r-square from the regression equation

A partial computer output from a regression analysis as follows. The regression equation is:

  Determining percentage of employees has de­pendents

Determine percentage of employees has 5 de­pendents? Of all employees which have at least one de­pendent, determine percentage has more than one?

  How is regression analysis used in forecasting

How is regression analysis used in forecasting? Provide examples. How may it be used to formulate strategies?

  Probability related to electricity consumption

Commonwealth Edison wants to identify its heaviest users, which are those that are in the top 6% of electric consumption. How many kilowatt hours in January would qualify for the heavy user classification?

  Hypothesis test of single mean and single proportion

Is it necessary to assume a normal distribution on the population to estimate the value of the mean spending per day? Explain.

  Calculation of simple regression

Work through a simple regression calculation using intrinsic job satisfaction nd extrinsic job satisfaction. Select thirty data points to use for each group.

  Mean number of occurrences

The random variable x, which is the number of occurrences of an event over an interval of ten minutes. It can be assumed that the probability of an occurrence is the same in any two time periods of an equal length. It is known that the mean number..

  Probability of selecting student from college

Finding the probability of each event in a group of events of different possibility

  Pattern of correlation is statistically important

Explain in words general pattern of correlation is statistically important.

  Educational statistics pretests and posttests

Is there a difference in the number of points students earned on their educational statistics pretests and posttests?

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