Mathematics UB

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Across
  1. 1. Let A and B be two events where 𝑃(𝐴') = 0.7 , 𝑃(𝐵) = 0.4 𝑎𝑛𝑑 𝑃(𝐴 ∪ 𝐵) = 0.6. Evaluate 𝑃(𝐴|𝐵)
  2. 3. What is the probability of getting the sum as a prime number if two dice are thrown?
  3. 6. What will be the probability of getting odd numbers if a dice is thrown?
  4. 7. There are 5 green 7 red balls. Two balls are selected one by one without replacement. Find the probability that first is green and second is red.
  5. 8. A man and his wife appear in an interview for two vacancies in the same post. The probability of husband's selection is (1/7) and the probability of wife's selection is (1/5). What is the probability that only one of them is selected ?
  6. 9. A coin is thrown 3 times .what is the probability that atleast one head is obtained?
Down
  1. 2. What is the probability of getting a sum of 7 when two dice are thrown?
  2. 3. Two players, Sangeet and Rashmi, play a tennis match. The probability of Sangeet winning the match is 0.62. What is the probability that Rashmi will win the match?
  3. 4. A die is rolled and a coin is tossed, find the probability that the die shows an odd number and the coin shows a head.
  4. 5. In a lottery, there are 10 prizes and 25 blanks. A lottery is drawn at random. What is the probability of getting a prize?