Question: One building has two elevators. It is known that the first of them is used 55% of the time, while the second the rest of

One building has two elevators. It is known that the first of them is used 55% of the time, while the second the rest of the time. By use, the first elevator has a failure chance of 8% and the second has a 5% chance of failure. If one day the alarm of one of the elevators sounds because it has failed, what is the probability that it was the first of the elevators?

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Mathematics Questions!

Thank u guys:) This is the reference pages but the questions are the last 3 pictures . . . . Craft - Mason Wage rate VET $29.00 Hours worked 50 hours per week for 20 weeks and 40 hours per week for...

Please read the questions Question: In your own words, describe the two orientations that schools can develop, Intercultural Orientation and Assimilationist Orientation. Provide an example...

** You can use EXCEL or any other software. ** You need to include your printout in your submissions. The layout and format of the paper should include the following sections: Title page, Abstract,...

ACC 700 Milestone Three Guidelines and Rubric The third milestone ThisistheproblemthatIneedhelpwithbutMilestoneOne. ACC 700 Final Project Guidelines and Rubric Overview As the final step in your...

Let r and s be solutions to the quadratic equation x 2 b x + c = 0. For n N, define d0 = 0 d1 = r s dn = b dn1 c dn2 (n 2) Prove that dn = r n s n for all n N. [4 marks] (b) Recall that a commutative...

Model an epidemic using a statistical approach (recursive functions) The Skeleton code is as follows: #include #include using namespace std; int regular_simulator(float beta, float gamma, float...

Predictive text entry systems are familiar on touch screens and mobile phones. This question asks you to consider how the same principles might be used in a programming editor for creating Java code....

MUST BE CORRECT ANSWERS A small software company has the following simplified cashflow, funded by shareholders' equity of 20,000 and a bank overdraft of 5000: Invoiced money received 2 months after...

Volcano Bungee Simulation (Second order Ordinary Differential Equations) A group of Mechanical Engineering students is tasked to model and simulate an epic volcano bungee jumping adventure. Bungee...

Read the case study MOLECULAR PATHOGENESIS OF MICROBIAL INFECTION and write a paper about it. 1. The authors use ChIP, or chromatin immunoprecipitation, combined with RT-qPCR., describe the principle...

Awesome company makes two products: E and F. Data for two products for year: Current Selling price per unit E($275) F($200) Current materials cost per unit E($10) F($9) Current labor cost per unit...

7. (P Q) (Q P) Use conditional proof or indirect proof and the eighteen rules of inference to establish the truth of the following tautologies.

The following General Fund information is available for the preparation of the financial statements for the city of Eastern Shores for the year ended September 30, 2020: From the information given...

Answer the following questions: 1. Can the use of a patsy code result in increased long-term profits? 2. Discuss the moral and ethical implications of implementing the above-described patsy code. 3....

The table shows the total annual sales of U.S. gasoline in millions of dollars from 2006 to 2017. (On the site https://www.census.gov/retail/index.html#mrts, find Monthly Retail Trade Report, then...

Over the years the U.S. grocery distribution and sales industry has grown. Today, the total industry sales are in the billions of dollars. Major retailers, such as Walmart and Target, added food to...

Explain how can we calculate the bonding energy between different atoms given the atomic orbital energies of each orbitals.

Write a program to wish happy birthday to a student. Firstly, take today month and day as an input and secondly take birthday as an input in the form of month and day. If the input day and month...

Product mix decisions (Appendix 8.1: adapted from CPA exam). The Hanson Company manufactures two products. Zeta and Beta. Each product must pass through two processing operations. All materials enter...

Economic order quantity (Appendix 8.2). The purchasing agent responsible for ordering chairs estimates that Davis Antiques sells 10.000 chairs evenly throughout each year, that each order costs $15...

Dropping a product line. Timepiece Products, a clock manufacturer, operates at capacity. Constrained by machine time, the company decides to drop the most unprofitable of i ts three product lines....