Sum or product

What is the probability that two dice fall will have the sum 7 or product 12?

Result

p =  0.222

Solution:

Solution in text p =







Leave us a comment of example and its solution (i.e. if it is still somewhat unclear...):

Showing 0 comments:
1st comment
Be the first to comment!
avatar




Would you like to compute count of combinations? See also our variations calculator.

Next similar examples:

  1. Peaches
    broskve There are 20 peaches in the pocket. 3 peaches are rotten. What is the probability that one of the randomly picked two peaches will be just one rotten?
  2. Balls
    spheres_1 The urn is 8 white and 6 black balls. We pull 4 randomly balls. What is the probability that among them will be two white?
  3. Cards
    cards_4 The player gets 8 cards of 32. What is the probability that it gets a) all 4 aces b) at least 1 ace
  4. Probability
    loto What are the chances that the lottery, in which the numbers are drawn 5 of 50 you win the first prize?
  5. Theorem prove
    thales_1 We want to prove the sentense: If the natural number n is divisible by six, then n is divisible by three. From what assumption we started?
  6. Candies
    bonbons_2 In the box are 12 candies that look the same. Three of them are filled with nougat, five by nuts, four by cream. At least how many candies must Ivan choose to satisfy itself that the selection of two with the same filling? ?
  7. First class
    prvni_jakost The shipment contains 40 items. 36 are first grade, 4 are defective. How many ways can select 5 items, so that it is no more than one defective?
  8. Weekly service
    school_table.JPG In the class are 20 pupils. How many opportunities have the teacher if he wants choose two pupils randomly who will weeklies?
  9. Confectionery
    cukrovinky The village markets have 5 kinds of sweets, one weighs 31 grams. How many different ways a customer can buy 1.519 kg sweets.
  10. Calculation of CN
    color_combinations Calculate: ?
  11. Trinity
    trojka How many different triads can be selected from the group 43 students?
  12. A student
    test_14 A student is to answer 8 out of 10 questions on the exam. a) find the number n of ways the student can choose 8 out of 10 questions b) find n if the student must answer the first three questions c) How many if he must answer at least 4 of the first 5 que
  13. Disco
    vencek On the disco goes 12 boys and 15 girls. In how many ways can we select four dancing couples?
  14. Variations
    pantagram Determine the number of items when the count of variations of fourth class without repeating is 42 times larger than the count of variations of third class without repetition.
  15. Teams
    football_team How many ways can divide 16 players into two teams of 8 member?
  16. Medals
    medails In how many ways can be divided gold, silver and bronze medal among 21 contestant?
  17. PIN - codes
    pin How many five-digit PIN - code can we create using the even numbers?