Two students, Alice and Betty, are registered for a statistics class. Alice attends 80% of the time,

Question:

Two students, Alice and Betty, are registered for a statistics class. Alice attends 80% of the time, Betty 60% of the time, and their absences are independent. On a given day, what is the probability that

(a) At least one of these students is in class and

(b) Exactly one of them is there?

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For answer-question

Elementary Probability For Applications

ISBN: 9780521867566

1st Edition

Authors: Rick Durrett

See More Books

Question Posted: Jan 12, 2024 04:00 AM

See More Questions

Two students A and B are both registered for a certain course. Assume that student A attends class 80 percent of the time, student B attends class 60 percent of the time, and the absences of the two...
A firms office contains 150 PCs. The probability that a given PC will not work on a given day is 0.05. a. On a given day what is the probability that exactly one computer will not be working? b. On a...
A manufacturer of industrial wheels is losing many profitable orders because of the long time it takes the firm's marketing, engineering, and accounting departments to develop price quotes for...
Prepare the schedule of year-end deferred tax assets and liabilities for each year. The schedule should separately list the sources of the firms ending deferred tax assets and deferred tax...
A scientist collects experimental data on the radius of a propellant grain, y, as a function of powder temperature, extrusion rate, and die temperature. The three factor experiment is as follows,...
Goodwill Ltd. Supplies you the following balance sheets on 31st December 2011 and 2012 2011 Rs Liabilities Share capital Bonds Accounts Payable Provision Doubtful Debts Reserve surplus for and 70,000...
Can you present a graphic that presents the payroll disbursement amounts by date for the contact employee who has been terminated but has been paid after termination (i.e., ghost employees)?
The trial balance columns of the worksheet for Lampert Roofing at March 31, 2014, are as follows. Other data: 1. A physical count reveals only $550 of roofing supplies on hand. 2. Depreciation for...
1) (4 marks) Given the function f(x) = x a. Determine the average rate of change on the interval -5 x 2. b. Is it possible to determine the instantaneous rate of change at x = 2? Explain why or why...
Let A and B be two independent events with P (A) = 0.4 and P (A B) = 0.64.What is P (B)?
Nine children are seated at random in three rows of three desks. Let A = Al and Bobby sit in the same row and B = Al and Bobby both sit at one of the four corner desks. Are A and B independent?
The following information is for Nature Lodge. What were the dollar amounts of change and the percentage of each change in Nature Lodges net working capital during 2021 and 2020? Is this trend...
A block of mass m is attached to another block of mass m on a frictionless table through a pulley. If m = 3m (a) What is the acceleration of the blocks? (b) If m moved from the frictionless part of...
SA The company Industrialita, SA, is one of the ten best companies in the northern part of Spain in industrial design. It is located in a city of 350,000 inhabitants that has a diversified industrial...
answer this questions in detail What is lean System Philosophy? Explain Triple Bottom line What are inventory Challenges What is pull method of Workflow ? Explain the 5s in the lean system in detail...
An appraiser estimates that a property will produce NOI of $75,000 in perpetuity, its total estimated rate of return is 12.5%, and the constant annual growth rate in NOI is 3.0 percent. What is the...
answer the following questions: What are a few ways in which the agile methodology differs from the traditional methodology? What are a few ways in which the two methodologies are similar
Multiple Choice Questions 1. Rons Diner received the following bills for December 2009 utilities: Electricity: $400 on December 29, 2009 Telephone: $150 on January 5, 2010 Both bills were paid on...
Q:1 Take any product or service offered in Pakistan and apply all determinents of customer Perceived value ?
If the last digit of a weight measurement is equally likely to be any of the digits 0 through 9, (a) What is the probability that the last digit is 0? (b) What is the probability that the last digit...
A sample preparation for a chemical measurement is completed correctly by 25% of the lab technicians, completed with a minor error by 70%, and completed with a major error by 5%. (a) If a technician...
A credit card contains 16 digits between 0 and 9. However, only 100 million numbers are valid. If a number is entered randomly, what is the probability that it is a valid number?
The hotel you work at makes raspberry torte for service at a banquet. The cake recipe used produces enough cake to make 4 tortes which are each cut into 10 portions per torte. It costs $10.92 to...
Record the following transactions for a Davis Company: a. May 1, 2022: Sold $3,000 worth of gift cards to customers for cash b. May 10, 2022: Sold goods to customers for $2,000 plus Ontario HST of...
On January 1, 2021 (Year 1), Chicago Corporation (a calendar year end business) purchased a machine for $35,000 and placed it into service. The machine had an estimated salvage value of $2,500 and a...

Two students, Alice and Betty, are registered for a statistics class. Alice attends 80% of the time,

Question:

Step by Step Answer:

a 1 02 ...View the full answer

Elementary Probability For Applications

Students also viewed these Business questions