Find probability that inspector will have to test widgets

Assignment Help Basic Statistics
Reference no: EM131680302

Question: A widget inspector inspects 12 widgets and finds that exactly 3 are defective. Unfortunately, the widgets then get all mixed up and the inspector has to find the 3 defective widgets again by testing widgets one by one.

(a) Find the probability that the inspector will now have to test at least 9 widgets.

(b) Find the probability that the inspector will now have to test at least 10 widgets.

Reference no: EM131680302

Questions Cloud

What is relationship between cardiovascular disease and diet : Research and discuss the causes of cardiovascular disease. What is the relationship between cardiovascular disease and diet and exercise.
Calculate the number of molecules in the atmosphere : Suppose that the molecules in the atmosphere now are the same as those in the atmosphere when Caesar was alive, and that in the 2000 years or so since Caesar.
What are considerations to take into account : What other information would you require for recommending the best solution to MHE? What are other considerations to take into account?
How nutrients affect disease prevention and management : Explain how nutrients affect disease prevention and management. Make your answer specific with examples.
Find probability that inspector will have to test widgets : A widget inspector inspects 12 widgets and finds that exactly 3 are defective. Unfortunately, the widgets then get all mixed up and the inspector.
Write paper about two sylvia plath poems. : Write paper about Two Sylvia Plath Poems. There is quite a difference between reading and watching/hearing Ms. Plath read her poem "Daddy."
How many ways can the chocolate bars be distributed : There are 15 chocolate bars and 10 children. In how many ways can the chocolate bars be distributed to the children, in each of the following scenarios?
Ratio of probability of getting unordered bootstrap sample : What is p1/p2? What is the ratio of the probability of getting an unordered bootstrap sample whose probability is p1 to the probability of getting an unordered?
Fully understand hannah situation : In order to fully understand Hannah's situation, please answer the following first: When are carbohydrates good for us?

Reviews

Write a Review

Basic Statistics Questions & Answers

  A consumer watchdog agency selects a random sample of 40

according to an irs study it takes a mean time of 330 minutes for taxpayers to prepare copy and electronically transfer

  Confidence interval for mean bmi

In a previous example about the body mass index of young women we developed a 95% confidence interval for the mean body mass index

  Find the test statistic

In a sample of 100 M&M's, it is found that 8% are brown. Use a 0.05 significance level to test the claim that of the Mars candy company that the percentage of brown M&M's is equal to 13%. Identify the null and alternative hypotheses. Find the tes..

  Subset of data obtained in an experiment to study

The following data is a subset of data obtained in an experiment to study the relationship between x = soil pH and y = A1 Concentration/EC ("Root Responses of Three Gramineae Species to Soil Acidity in an Oxisol and an Ultisol," Soil Science, 1973..

  Use binomial approximation to the hyper geometric

Provide free: fax assistance for the residents of this city, use the binomial approximation to the hyper geometric to find the probability that at least 3 women arc selected.

  What is the probability that it will be a girl

During the past year in the maternity ward of a hospital in a large city, 1,254 Males were born and 1,462 Females. If we can assume this data is representative of all births in the city: What is the probability that it will be a girl

  Estimate of true population mean amount of glue

Set up a 99% confidence interval estimate of the true population mean amount of glue contained in a 2-litre can. On the basis of your results, do you think that the quality control analyst has a right to complain to the manufacturer?

  Is difference between sample and population merely chance

The mean exam score was 545 with standard deviation of 49. Is the 45 point difference between the sample and the population merely due to chance?

  What type of probability distribution use to analyze

particular cookie will have fewer than 5. What type of probability distribution will most likely be used to analyze the number of chocolate chips per cookie?

  Assume a telephone ticket agent works 75 hours per

us airways conducted a number of studies that indicateda substantial savings could be obtained by encouraging

  National percent reported by the large insurance company

Does this indicate that the insurance claims of single people under the age of 25 is higher than the national percent reported by the large insurance company? State the null and alternate hypothesis then give the test statistic and your conclusion..

  The government uses tax money

Refer to Exercise 12.103. Those who hate or dislike doing their taxes were asked the reason. The responses are: 1 = Pay too much taxes, 2 = Complicated/too much paperwork, 3 = Inconvenient/time consuming, 4 = Don't like how government uses tax mon..

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