Normal distribution is an adequate model

Assignment Help Basic Statistics
Reference no: EM1391808

Customers of a mortgage bank expect to have mortgage applications processed within 35 working days of submission. Given that the processing time at the bank can be modelled by the N (28, 32) distribution, verify that 99% of applications would be processed within 35 working days. Following a successful Six Sigma project aimed at reducing processing time, it was found that, although variability in processing time was unchanged, the mean had dropped to 19 working days. The bank wishes to inform prospective customers that '99 times out 100 we can process your application in q working days'. Assuming that the normal distribution is still an adequate model, calculate q.

Reference no: EM1391808

Questions Cloud

Homozygous for a mutant allele : A corn plant is homozygous for a mutant allele that results in no pigment in the seed. The mutant is caused through Ds insertion that often exits late in the seed development,
Randomly chosen wearing helmets having lunch at workplace : A safety engineer claims that only 40% of all workers wear safety helmets when they eat lunch at the workplace. Assuming that his claim is right, find the probability that at most 4 out of 6 workers randomly chosen will be wearing their helmets wh..
Relationship between the mean and median : In each of the following scenarios, which would be larger, the mean or median, or would the mean and median be about the same? Provide reasoning--think about the shape of the histogram for the data and how the shape would affect the relationship b..
Determining the appropriate plan : A single-sample acceptance attributes sampling plan is required to have a producer's risk of 0.06 for an acceptable quality level of 0.5% nonconforming, and a consumer's risk of 0.10 for a rejectable quality level of 5% nonconforming. Use Minitab ..
Normal distribution is an adequate model : The bank wishes to inform prospective customers that '99 times out 100 we can process your application in q working days'. Assuming that the normal distribution is still an adequate model, calculate q.
Anaphylactic shock reaction to immunization injections : Primary healthcare workers believe that anaphylactic shock reaction to immunization injections occurs with children in one case in two thousand.
Enterprise resource planning : As part of the management team for PPQ Parts manufacturing company, you are tasked with selecting the best software packages for the firm's materials requirements planning (MRP), capacity requirement planning (CRP), and enterprise resource plannin..
Software packages for the firms mrp : Consider the following scenario: As part of the management team for PPQ Parts manufacturing company, you are tasked with selecting the best software packages for the firm s materials requirements planning
A producer is likely to focus its promotion effort : A producer is likely to focus its promotion effort on stimulating primary (category) demand at what stage in the product life cycle?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Satisfaction rating for the gaming console

Letting μ be the mean composite satisfaction rating for the gaming console, we find that the test should be H o : μ ≤ 42 versus H a :  μ > 42

  Utilizing the finite population correction factor

1st a confidence interval is constructed without utilizing the finite population correction factor.

  The number of units produced on the afternoon shift larger

Clark Heter is an industrial engineer at Lyons Products. He would like to conclude whether there are more units produced on the afternoon shift than on the day shift. A sample of 54 day-shift workers showed that the mean number of units produced w..

  Would a better economy lead you to switch jobs

If a worker is chosen at random, what is the probability that he or she.Is very improbable to switch jobs. Is somewhat likely or very likely to switch jobs.

  Determining the largest possible value

Let 3 trails (they may not be independent), each of which is either success or not. Let X denotes number of successes. Assume E[X] = 1.8. Determine the largest possible value of P(X=3)?

  Determining hypothesis statement and distribution

Write the hypothesis statement. What distribution are you using?

  Coefficient of skewness and coefficient of variation

Calculate the coefficient of skewness and coefficient of variation of minutes spent commuting. What do these statistics tell us?

  Creating confidence interval for proportion of all kernels

Create a 90% confidence interval for proportion of all kernels that would not pop.

  Which of the following are true statements

The area under the standard normal curve between 0 and 2 is twice the area under area between 0 and 1.

  Determining the sum of probabilities

Determine the sum of these probabilities , and why is the  number less than 1

  Determine the mean and standard deviation of x

Let x be the random variable that denotes the net amount a playr wins by playing this lottery. Write the probablity distribution of x. Determine the mean and standard deviation of x. How will you interpret the values of the mean and standard devia..

  Null and alternate hypotheses

By using the fact that Martha believes the treatment will decrease the amount of time to fall asleep, describe the null and alternate hypotheses.

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