Question

Suppose Lin Dan and Lee Chong Wei are both taking a finite class with 5 other people. If there is only one
row with 7 desks, and every student choose a desk at random, what is the probability that Lin Dan and
Lee Chong Wei sit next to each other?

Expert Answer

Want to see the step-by-step answer?

Check out a sample Q&A here.

Want to see this answer and more?

Experts are waiting 24/7 to provide step-by-step solutions in as fast as 30 minutes!*

*Response times may vary by subject and question complexity. Median response time is 34 minutes for paid subscribers and may be longer for promotional offers.
Tagged in
Math
Probability

Basic Probability

Related Probability Q&A

Find answers to questions asked by students like you.

Q: Use the regression equation to predict the value of y= -2.8. Assume that the variable x and y have a...

A: Given:

Q: A certain car model has a mean gas mileage of 34 miles per gallon (mpg) with a standard deviation 5 ...

A: Click to see the answer

Q: . In testing a florescent light bulb, it is found that 20% of the light bulb fail to complete the te...

A: Note: Hey, since multiple questions are posted, we will answer first question for you. If you want a...

Q: A three - sided die is tossed twice, The Venn diagram below reveals the information, where CI, 2) me...

A: It is given that 3 sided die is tossed twice. Two events are declared : 1) A is the event where  '2n...

Q: Suppose that we have a discrete random variable Xa with PDF and CDF fa(x) and Fa(x), and a continuou...

A: Explain the concept of mixed random variables. Let Y be a discrete random variable , Z be a continuo...

Q: Suppose it is known that in a certain large human population cranial length is approximately normall...

A: Click to see the answer

Q: For this problem, assume that 13 exhibits entered the science fair, and that we want to assign 5 pri...

A: Given Data :  Number of exhibits are 13 in a science fair                        Number of Prizes ar...

Q: A marketing class polled 150 people at Hillgrove High School to determine how many have a Twitter ac...

A: Click to see the answer

Q: Kaja has a dog walking business that serves 9 dogs. If she chooses 4 of the dogs at random to take a...

A: Kaja serves 9 dogs out of which 4 dogs named Cherish, Taffy, Haunter, and Maverick have to be chosen...

Q: 3. A 3-digit number is form from the numbers 1, 2, 3, 4, 5 without replacement. Find the probability...

A: Given : 3-digit number is form from the numbers 1,2,3,4,5 without replacement. then, the total numbe...

Q: Calculate the approximate probability that the totalnumber of tickets given out during a 5-day week ...

A: mean = 250sd = sqrt(5*50) = 15.8114 P(225 < X < 275)= P((225 - 250)/15.8114 < z < (275 -...

Q: Are X and Y independent rv’s? Explain.

A: If two random variables, X and Y, are independent, they satisfy the following conditions. P(x|y) = ...

Q: Given that the population standard deviation is o = 1, determine the minimum sample size needed in o...

A: Click to see the answer

Q: A student is trying to estimate how many hours (rounded to the nearest hour) an instructor might spe...

A: We know that the total probability is always 1. So, the blank space is = 1 - (0.32+0.15+0.27+0.14+0....

Q: The table below shows the number of deaths in the U.S. in a year due to a variety of causes. For the...

A: Given: Various reasons for death has been given in U.S. The objective is to find the probability of ...

Q: A. The school informs you that 3rd period classes are full. What is the probability of getting a cla...

A: Coach/Period 1st 2nd 3rd 4th Coach Morris Y Y Y   Coach Hill Y Y   Y Mrs Macintyre Y   Y Y T...

Q: You run an F test (var.test) on your data and get a p value of 0.001. That means that: O both of you...

A: Null hypothesis: H0: .The sample have same degrees of variance. Alternative hypothesis: H1: .The sam...

Q: A manufacturer knows that their items have a normally distributed lifespan, with a mean of 3.1 years...

A: Let us denote X=lifespan  Given that X follows a normal distribution with mean=3.1 and standard devi...

Q: Which two of the four scatter plots have most positive correlation and closer to zero correlation

A: The most positive correlation is showing in plot B because there is an increasing trend present.   ...

Q: 

A: Given that , If the rate of inflation is 2.2 % per year, the future price p t (in dollars) of a ce...

Q: A bucket contains 10 tennis balls, 7 baseball and 9 golf ball. Suppose you pick 5 balls at random. (...

A: Given,  A bucket contains 10 tennis balls, 7 baseball and 9 golf ball. => we have 26 balls in tot...

Q: A jar contains a large number of pennies.  The pennies can be divided into equal shares among 3, 4, ...

A: Click to see the answer

Q: A piece of equipment has a lifetime T (measured in years) that is a continuous random variable with ...

A: a) The probability density function of T is calculated as follows: fT=ddtFt=ddt1 - e-t10 -t e-t1010 ...

Q: Based on the following chart: You wish to create a Vlookup table to simulate the type of donut a cus...

A: The probability formula is, Probability=Number of favourable outcomesTotal outcoms The probability a...

Q: An ambulance travels back and forth, at a constant specific speed v, along a road of length L. We ma...

A: Let X be the position of ambulance and Y be the position of the accident. It is given that X and Y a...

Q: [Normal to Lognormal Transformation] Show that if a random variable X~ Normal(u, o), then exp(X) has...

A: Click to see the answer

Q: Question 2  The discrete probability distribution is given by   0 1 2 3   0 k ...

A: Given X P(X) 0 0 1 k 2 2k 3 3k a) The sum of all probabilities is 1. So,∑x=03P(X=x)=1⇒...

Q: To the nearest dollar

A: The price 5 years from Today can be calculated as:   The price after 5 years will $669

Q: You are allowed to toss a fair coin either five times or until tails appears, whichever occurs first...

A: Given: Maximum number of tosses = 5 Amount on a first head =$10 Each head doubles the capital

Q: A 8 person committee consist of 5 women, including Margaret, and 3 men, including Anthony. If a subc...

A: d) If Anthony is selected then we have to select 2 more people.  At least one of them has to be a wo...

Q: Could you help me solve this? A golfer putts the ball into the hole 48.7% of the time (If within 10 ...

A: Let us assume X= number of times he put the ball in the hole. Number of trials = n= 7 Probability of...

Q: Question 1      The following table summarizes the number of students at Kiddies Headstart Preschool...

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for yo...

Q: Emily has 20 collectible dolls from different countries that she will donate. If she selects 10 of t...

A: Given: Number of dolls = 20 Number of dolls chosen = 10

Q: 5. Going forward, let's define x as the average number of dots after forty rolls. a. What is the exp...

A: When we roll a die, the possible outcomes are 1,2,3,4,5,6 Since each outcome is equally likely, the ...

Q: Exercise 2.4 (Multiplication and Total Probability Rule) Customers are used to evaluate preliminary ...

A: The law of total probability breaks up probability calculations into distinct parts. It’s used to fi...

Q: At a Noodles & Company, the probability that a customer will order a non alcoholic beve

A: From the provided information, The probability that a customer will order a non-alcoholic beverage (...

Q: The Ritz Hotel has enough space for six taxicabs to loadpassengers, line up, and wait for guests at ...

A: a) Here, λ=1/10 μ = 1/3.5 ρ = λ/ μ =3.5/10 =0.35 The average waiting time is calculated as follows: ...

Q: In a drawer, there are 6 pairs of adult men’s socks, 4 pairs of adult women’s socks, 7 pairs of todd...

A: Click to see the answer

Q: Students arrive for the much dreaded JEE Advanced according to a Poisson process with rate lambda. F...

A: Given : Students arrive for the much dreaded JEE advanced according to Poisson process with rate Lam...

Q: The spinner below is spun twice. If the spinner lands on a border, that spin does not count and spin...

A: From the given spinner, there are three colors. red: 3 Blue: 2 Cyan: 1 Total colors: 6.    

Q: Brandybuck Insurance Company (BIC) is deciding whether to insure the lives of those leading a quest ...

A: Given information Probability of surviving the quest = 0.883Amount charged by the company = 8804 sil...

Q: The regression equation relating dexterity scores (x) and productivity scores (y) for the employees ...

A: According to the provided information, y=5.50 + 1.91x

Q: A motorcycle drives from Buendia to Quiapo and back using the same course everyday. There are four s...

A: Solution: Note: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-pa...

Q: 1) With a large power mower (John Deere 20 horse power, 42 inch cut) it takes Amos 3 hours to mow a ...

A: Given that Amos takes 3 hours and Andy takes 6 hours to mow the same lawn.  In 1 hour Amos finish 13...

Q: What’s the answer

A: From the provided information, Someone is plan to practice playing guitar for 15 minutes on three we...

Q: Assume that there are 18 board members: 10 females, and 8 males including Larry. There are 4 tasks t...

A: Click to see the answer

Q: According to a government agency, there were 98,600 chefs/head cooks employed in the United States i...

A: Given Data: In 2010, Number of chefs are 98,600 and number of food service manager are 319,600      ...