Ask Question, Ask an Expert

+61-413 786 465

info@mywordsolution.com

Ask Statistics and Probability Expert

Probability of Type II Error.

 A production process assumes a population mean of µ = 80.

Periodically this procedure is tested.
A Sample of n =100 is taken.
The standard deviation = 8

The firm has already decided that any sample mean below 78 or above 82 will signal the workers that the process is not working properly.

Using this information, find out Blpha risk (probability of Type II error) if the true population mean actually is 81.

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M921077

Have any Question?


Related Questions in Statistics and Probability

A company is to hire two new employees they have prepared a

A company is to hire two new employees. They have prepared a final list of twelve candidates, all of whom are equally qualified. Of these twelve candidates, seven are women. If the company decides to select two persons r ...

The probability of someone ordering the daily special is 52

The probability of someone ordering the daily special is 52%. If the restaurant expected 96 people for lunch, how many would you expect to order the daily special?

If an urn1 contains 6purle balls and 4red balls and urn2

If an Urn1 contains 6purle balls and 4red balls. And Urn2 contains 4purple balls and 6 red balls. Urn3 contains 4purple balls and 5red balls. If one of the urns is selected at random and a ball is drawn, what is the prob ...

Letnbspxbar6nbspdenote the sample mean of a

Let  X(bar) 6  denote the sample mean of a sample  X 1 ,  X 2 , ...,  X 6  from  Unif  (-1, 3). (a) What is the expected value of  X(bar) 6 ? (b) What is the variance of  X(bar) 6 ?

Thirty-eight percent of consumers prefer to purchase

Thirty-eight percent of consumers prefer to purchase electronics online. You randomly select 16 consumers. Find the probability that the number who prefer to purchase electronics online is at most 5.

An annual survey of first-year college students ask 273000

An annual survey of first-year college students ask 273,000 students about their attitudes on a variety of subjects. According to a recent survey, 57% of first-year students believe that abortion should be legal. Use 0.0 ...

Doctor wants the estimate the hdl cholesterol of all 20 to

Doctor wants the estimate the HDL cholesterol of all 20 to 29 year old females. How many subjects are needed to estimate the HDL cholesterol within 3 points with 99% confidence assuming o=18.2? Suppose the doctor would b ...

A population has a mean mu equals84 and a standard

A population has a mean mu equals84 and a standard deviation sigma equals6. Find the mean and standard deviation of a sampling distribution of sample means with sample size n=36.

The managers of a car store observe that 70 of all the cars

The managers of a car store observe that 70% of all the cars they sell are bought by people who already own a car. They also observe that 50% of the customers who come to the store but do not buy a car, already own one. ...

A random sample of 18 eighth grade students scores on a

A random sample of 18 eighth grade? students' scores on a national mathematics assessment test has a mean score of 269. This test result prompts a state school administrator to declare that the mean score for the? state' ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Why might a bank avoid the use of interest rate swaps even

Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate

Describe the difference between zero coupon bonds and

Describe the difference between zero coupon bonds and coupon bonds. Under what conditions will a coupon bond sell at a p

Compute the present value of an annuity of 880 per year

Compute the present value of an annuity of $ 880 per year for 16 years, given a discount rate of 6 percent per annum. As

Compute the present value of an 1150 payment made in ten

Compute the present value of an $1,150 payment made in ten years when the discount rate is 12 percent. (Do not round int

Compute the present value of an annuity of 699 per year

Compute the present value of an annuity of $ 699 per year for 19 years, given a discount rate of 6 percent per annum. As