exercise material of probability

Exercise material of probability (by : Ahlis Widiyanto, S.Pd)


  1. From town A to town B is served by 4 bus and from B to C by 3 bus. Somebody leave from town A to town C trough B later then return again to A also trough B. If moment return of C to A, he do not want to use the same bus, hence a lot of way of the people transportation is…
  2. A group of 10 children will set up a committee, which consists of a chairperson, a secretary, and a treasurer. The number of the arrangements of committee can be set up is
  3. How many different 4-digit numbers can be formed from the digits 1,2,3,4,5,6,7,8,9  if digits 8,9 are included in each number and repetitions are not permitted
  4. A student is asked to solve 8 of 10 problems, but questions 3 and 6 must be done. The number of options that can be taken by the student is ….
  5. Two dice are rolled together at once. The probability of having the sum of 7 or 11  is ….
  6. If three coins are tossed 120 times, then the expected frequency of obtaining double-picture is …
  7. A card bridge is randomly drawn from a pack of 52 playing cards. The probability of drawing a red or a King is ….
  8. Known by an gathering s = { 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15}, A  is prime numbers, and B is even number. How much probability to get A and B….
  9. Arman opportunity pass a math test is 0.98, while opportunities pass Yuni is 0.95. Arman opportunity pass and Yuni does not pass is ….
  10. A coin and a dice thrown together one time. Opportunities rise in the number of coins and odd prime numbers on the dice is ….
  11. In the box I have 3 red balls and 4 white balls, while in the second box there are 5 red balls and 2 yellow. From each box is taken one ball at random. Chance of drawing a white ball from the box I and yellow ball from the box II is ….
  12. The number of different letter arrangements that can be made from the letter in “MALAKA” is …
  13. A dice is tossed once, the probability of an odd number is…
  14. A bag contains 6 white marbles  and 3 red marbles. Two marbles are taken at random from the bag  and not replaced, find the probability both marbles are red
  15. A bag contains 5 red balls and 3 white balls, two balls are taken randomly from inside a bag. Determine the probability that both the balls are red if the removed of the balls is without returning!

2 Komentar

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