Advanced Algebra
posted by Juan .
Sam and David are among 5 students who have a chance to win a free airline ticket to San Diego. 2 students from the group will be selected at random to win a ticket. What is the possibility that the 2 students selected will be Sam and David?

Number of ways
C(5,2) [five choose 2]
=5!/(2!(52)!
=10
Probability of choosing both
= 1 / 10
Respond to this Question
Similar Questions

Math
In the Doubles Game, students can win carnival tickets to spend on games and food. A player pays one ticket to roll two number cubes(sixsided dice). If the numbers match, the player wins five tickets. If a player plays this game 20 … 
Data Management, Math
10 of your friends (including you..so 10 altogether) are going to have a draw between all of you. Each person gives $10 (for a total of $100). There will be five, $20 draws. One per week for 5 weeks. For the first draw, every person … 
algebra 2
teresa and julia are among 10 students who have applied for a trip to washington DC. Two students from the group will be selected at random for the trip. What is the probability that teresa and julia will be the 2 students selected … 
statistics
If you buy one ticket in the Provincial Lottery, then the probability you will win a prize is 0.11 what is the probability that you would first win when you purchase the second ticket? 
Algebra
To collect funds, the organization is holding a football match between teachers and students. Each ticket costs 2x+3y for students and 3x  5y for nonstudents. What is the total earning if 2x  3y students and 3x + 5y nonstudents … 
math
john and james are among 30 students who have applied for a trip to boy's state. two students from the group will be selected at random from the trip. what is the probability that john and james will be the 2 students selected? 
math
your barangay officials are planning to raise funds to help the public library.they decided to sell 4000.00 draw tickets worth 10 each. one ticket will win the prize worth 3,500.00. five tickets will each win a prize worth 700.00 each … 
Math
In the Doubles Game, students can win carnival tickets to spend on games and food. A player pays one ticket to roll two number cubes(sixsided dice). If the numbers match, the player wins five tickets. If a player plays this game 20 … 
maths
A group of students decide to attend a concert. The cost of renting a bus to take them to the concert is $450, which is to be shared equally among the students. The concert promoters offer discounts to groups arriving by bus. Tickets … 
maths
A group of students decide to attend a concert. The cost of renting a bus to take them to the concert is $450, which is to be shared equally among the students. The concert promoters offer discounts to groups arriving by bus. Tickets …