math

posted by .

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 -

    number of possible pairs that can be chosen
    = C(30,2) = 435
    prob(John , James) = 1/435

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. 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 …
  2. Advanced Algebra

    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 …
  3. Psychology

    Your three little brothers-John,Peter and James get the same gift for Christmas-an ice fishing pole. Your father is curious about how children learn and decides he will teach each of them using different means. With John, he gives …
  4. statistics

    A group of six students all have different grades in statistics. The median mark in the group is 68. If two of the six students are selected at random, what is the probability that both have marks greater than 68?
  5. Math

    A field trip costs $8.50 per student. If 125 students are going on the trip and a total of $1011.50 has already been collected, how many students have not paid yet?
  6. Math

    The marks obtained by a number of students in a certain subject are approximately normally distributed with mean 65 and standard deviation 5. If 3 students are selected at random from this group, what is the probability that at least …
  7. math

    If John was five years older he would be exactly one-third the age of James. If John was three years younger he would be exactly one-sixth the age of James. How old is James?
  8. Math

    If your trip cost $8.50 per student if 125 students are going on the trip the total of $1,011.50 has already been collected how many students have not paid yet
  9. probality

    Blue Nile University recently conducted a survey of undergraduate students in order to gather information about the usage of the library. The population for this study included all 4000 undergraduate students enrolled in the university. …
  10. Math Survey

    James wants to find out the favorite movie of students in his school. Which method would give James the BEST results?

More Similar Questions