User Account

All Pages

Compute the expected value of the total time

Assignment Help Basic Statistics
Reference no: EM131444853

The process of being served at a bank consists of two independent partslong dash-the time waiting in line and the time it takes to be served by the teller. Suppose that the time waiting in line has an expected value of 44 minutes, with a standard deviation of 1.2 minutes, and the time it takes to be served by the teller has an expected value of 5.2 minutes, with a standard deviation of 1.7 minutes.

a. Compute the expected value of the total time it takes to be served at the bank.

b. Compute the standard deviation of the total time it takes to be served at the bank.

Reference no: EM131444853

Questions Cloud

Describe the bootstrap method : In this simulation exercise we consider an example of the use of the bootstrap in constructing an interval estimate of the median. If the median is taken as a measure of location of a distribution f, this can be estimated by the sample median.
Confidence interval for the mean age : The buyer ages are approximately normally distributed and the sample does not contain any outliers. Construct a 95% confidence interval for the mean age for all the real estateagent's clients who purchased investment property. Lower and upper
What security considerations would you recommend : What security considerations would you recommend? How do the characteristics and style fit the organization and environment? What are the benefits to a corporation for investing in art?
Draw one stage of the trellis diagram : ENGR4130 Project - Optimal Receiver and Symbol-by-Symbol Detection for Bandlimitted Channels. Consider the same binary communication system given above. Here we implement the Viterbi algorithm for the detection of the entire sequence. Define the st..
Compute the expected value of the total time : a. Compute the expected value of the total time it takes to be served at the bank. b. Compute the standard deviation of the total time it takes to be served at the bank.
What is the difference between cooperation and integration : What is the difference between cooperation and integration? What is an integrated health network? Under what circumstances might a long-term care organization choose to join an integrated system? An integrated network?
What are the patient services most commonly provided : What are the patient services most commonly provided by each of the services discussed herein (home healthcare, hospice care, adult day care)?
What is meant by veteran re-acculturation : What is meant by veteran re-acculturation and why is it important to consider when addressing the problem of veterans entangled in criminal justice? Explain your answer.
Mean and standard deviation of the number of customers : What are the mean and standard deviation of the number of customers exceeding their credit limits? What is the probability that 0 customers will exceed their limits? What is the probability that 1 customer will exceed his or her limit?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Find the probability of selecting

You randomly select one card from a 52-card deck. Find the probability of selecting: P(an ace or a 9)

  To build up the linear programming model

Three times each year, the procurement manager at Phoenix contacts National\'s marketing department to place a monthly order for each of the coming four months.

  Suppose that a tribal culture was discovered in the south

suppose that a tribal culture was discovered in the south pacific whose language consists of only fourteen letters a e

  Normal distribution and significance levels

A retailer wants to estimate with 99% confidence the number of people who buy at his store. A previous study showed that 15% of those interviewed had shopped at his store.

  Determine and interpret p value for affairs department case

Use an appropriate one-tail test and the 0.10 level of significance in examining the difference between these two rates. Determine and interpret the p-value for the test.

  Prove that the regression r2 is identical to the square of

prove that the regression r2 is identical to the square of the correlation coefficient between two variables y and x.

  1 for a population containing n902 individuals what code

1. for a population containing n902 individuals what code number would you assign fora. first person in the list.b.

  Probability that emergency locator will not be discovered

If it has an emergency locator, what is the probability that it will not be discovered? If it does not have an emergency locator, what is the probability that it will be discovered?

  Confidence interval for the mean price of regular gasoline

A random sample of the price of gasoline from 20gas stations in a region gives the statistics below. Complete parts a) and b) ybar = $3.59, s = $0.24 a) Find a 95% confidence interval for the mean price of regular gasoline in that region. __, __ (R..

  Heat is transferred to the system until the temperature is

a piston-cylinder assembly has a volume of 0.3 m3 and contains 1.5 kg of water at 0.5 mpa. heat is transferred to the

  Inference concerning difference between two population

Inference Concerning the Difference Between Two Population or Treatment Means Using Paired Samples Independent samples: Two samples for which the individuals.

  Discrete probability model

Choose a person aged 19 to 25 years at random and ask, "how many times have you worked out in the past?" Call the response X for short.

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!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd