Problem regarding the quality control

Assignment Help Basic Statistics
Reference no: EM131008978

Quality control

The manufacturer in Exercise 54 has noticed that the number of faulty cell phones in a produc- tion run of cell phones is usually small and that the quality of one day's run seems to have no bearing on the next day.

a) What model might you use to model the number of faulty cell phones produced in one day?

b) If the mean number of faulty cell phones is 2 per day, what is the probability that no faulty cell phones will be produced tomorrow?

c) If the mean number of faulty cell phones is 2 per day, what is the probability that 3 or more faulty cell phones were produced in today's run?

Reference no: EM131008978

Questions Cloud

Explain why you chose that statistical technique : Describe how you would collect your data, the level of measurement of your data, and which statistical technique you would use to analyze the data. Explain why you chose that statistical technique
Compute the rate of change of t with respect to time : Find the rate of change of T with respect to time at that instant if n = 10 mol. What are the units of this rate of change?
Sales against number of sales people working : a) Prepare a scatterplot of Sales against Number of sales people working. b) What can you say about the direction of the association? c) What can you say about the form of the relationship?
How the human mind works : In this discussion forum, you will examine what language says about how the human mind works. More specifically, you will consider whether the language people speak merely offers a window into human cognition or it can actually affect the way peopl..
Problem regarding the quality control : The manufacturer in Exercise 54 has noticed that the number of faulty cell phones in a produc- tion run of cell phones is usually small and that the quality of one day's run seems to have no bearing on the next day.
Model the number of purchases per minute : What model might you suggest to model the number of purchases per minute? What is the probability that in any one minute at least one purchase is made? What is the probability that no one makes a purchase in the next 2 minutes?
Are experts better at solving problems than non-experts : Are experts better at solving problems than non-experts? If so, what is responsible for experts' superior performance? Is their superiority general or limited to their field of expertise
Particular telephone exchange : Satisfaction survey. A cable provider wants to contact customers in a particular telephone exchange to see how satisfied they are with the new digital TV service the company has provided. All numbers are in the 452 exchange, so there are 10,000 po..
Problem regarding the american red cross : Only 4% of people have Type AB blood. A bloodmobile has 12 vials of blood on a rack. If the distribution of blood types at this location is consistent with the general population, what's the probability they find AB blood in:

Reviews

Write a Review

Basic Statistics Questions & Answers

  We are studying the proportion of cities that have private

we are studying the proportion of cities that have private garbage collector. we want a maximum error of 0.10 and a 95

  What is the formula used to solve this

If the mean is 24 inches and the SD is 4.5 inches, What is the height of a plant with a z score of 0? My question is what is the formula used to solve this?

  A box contains 10 balls numbered 1210 two balls are

a box contains 10 balls numbered 12...10. two balls are selected at random without replacement.a find the probability

  Explaining two tail t-test

For which of given variables must a "two tail" t-test be applied?

  What are the independent and dependent variables

Is the study observational or experimental? Justify your answer. What are the independent and dependent variables?

  What is the expected number of shoppers that will buy the

the manager of a supermarket found that 72 of the shoppers who taste a free sample of a food item will buy the item.

  A pair of fair dice is thrown find the probability p that

a pair of fair dice is thrown. find the probability p that the sum is 10 or greater if label event and sample spacea a

  Estimate the total cost

Short Response: You are mailing 19 packages. It costs between $9 and $12 to mail each package. Estimate the total cost. Explain the method.

  Expected value of the probability distribution

What is the expected value of the probability distribution? What is the variance of the probability distribution?

  Please refer to the concept on queuing theory

This requires you evaluate the data (on the next sheet) and apply Queueing Theory to determine the characteristics of the queues.  Please refer to the concept on Queuing Theory for the procedures to do.

  Mean time to complete a construction project

The mean time to complete a construction project is 52 weeks with a standard deviation of 3 weeks.  Assuming the probability of completing the project follows a normal distribution, what is the probability of completing the project between 56 week..

  Create forecast using trend model or judgment forecast

Which trend model is best, and why? If none is satisfactory, explain. (e) Make a forecast for 2003, using a trend model of your choice or a judgment forecast.

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