The failure rate of each machine follows an exponential

Assignment Help Basic Statistics
Reference no: EM13628304

Suppose a penny arcade worker is in charge of keeping ten machines in operation. The failure rate of each machine follows an exponential distribution with a mean time of ten hours and the time required to repair each machine follows an exponential distribution with a mean time of thirty minutes. Over the long run, approximately what percentage of machines, on average, will be operating?

a. 76.5%

b. 92.4%

c. 53.8%

d. 46.2%

e. None of the above

Reference no: EM13628304

Questions Cloud

A political strategist calims that 55 of voters in madison : a political strategist calims that 55 of voters in madison county support his candidate. in a poll of 200 randomly
Suppose that 17 of the undergraduates are seniors while the : in a survey of undergraduate library usage it was found that 76 of seniors 59 of juniors 50 of sophomores and 28 of
The purpose of this process is to ensure the defect rate is : in a tire factor the quality control inspector examines a randomly chosen sample of 16 tires. when more than one
Customers arrived at the cashier counter according to a : at lido and frank mini food customers spend an average of 25 minutes selecting their groceries. the check out time
The failure rate of each machine follows an exponential : suppose a penny arcade worker is in charge of keeping ten machines in operation. the failure rate of each machine
The administrative cost of placing a costumer on backorder : appliance alley sells super clean washing machine. demand for super machine averages 65 units per month. super clean
The production set up cost to use this machine is 200 and : flavin cosmetics sells 80000 tubes of lipstick annually. by leasing a casing machine at a cost of 9000 per year which
The lead time to receive order from brightall is 10 days : the lead time to receive order from brightall is 10 days. pantena corp. operates 250 days a year. as such pantena corp
Suppose q 400 now if the firm is willing to be out of : the annual demand for inventory item p-2001 is 6000. order lead time is 6 workdays and the firms year is 300 days 6

Reviews

Write a Review

Basic Statistics Questions & Answers

  How confident for selling four houses within available time

If the agent has enough time to contact only 15 customers, how confident can she be of selling all four houses within the available time?

  Statistics-probability-academic approach

A City Survey states that 70 percent of all business owners favor increasing the parking fees. The city has commissioned a random sample of n = 100 business owners.

  Information of general statistics

If you have a population that has a small sample, but does not meet all of the criteria for the nonparametric test how can you tell what test to use?

  Examining frequency distribution

The frequency distribution below shows the distribution for suspended solid concentration (in PPM) in river water of 50 different waters collected in September 2011.

  Problem on x bar chart-ucl-lcl

Determine the centerline and the upper and lower control limits for a 3-sigma mean control chart in which each sample consists of 4 cylinders

  Groups consistently outperformed the best of the individuals

In a study comparing individual performance with group performance, Laughlin, Zander, Knievel, and Tan found that groups consistently outperformed the best of the individuals.

  Motorola used the normal distribution to determine the

motorola used the normal distribution to determine the probability of defects and the number of defects expected in a

  Hamburger probability

Because of a recent incident in which a number of people became ill after eating undercooked hamburger meat, intensive interest has centered around the cooking time for hamburger patties.

  Cost and revenue equilibrium

A larg wholesale nursery sells shrubs to a retail store. The cost C(x) and revenue R(x) in dollars for x shrubs are listed below:

  Jinbao produces tubas and ships them in lots of twenty

jinbao produces tubas and ships them in lots of twenty. suppose that 60 of all such lots contain no defective tubas 30

  Suppose you open a new game at the county fair when patrons

suppose you open a new game at the county fair. when patrons win you pay them 3.00 when patrons lose they pay you 1.00.

  Willing to predict obama as the winner

According to an exit poll taken by CNN during the 2008 Democratic Primary in Connecticut, 552 registered voters voted for Hilary Clinton and 598 for Barack Obama. Would you have been willing to predict Obama as the winner?

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