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Fifteen coupons are numbered 1, 2, 3,…..,15 respectively. Seven coupons are selected at random one at a time with replacement. The probability, that the largest number appearing on selected coupons is at most 9, is
  • a)
    (1/15)7
  • b)
    (3/5)7
  • c)
    (8/15)7
  • d)
    (2/5)7
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
Fifteen coupons are numbered 1, 2, 3,…..,15 respectively. Seven coupo...
Total coupons = 15
1≤1≤ selected coupon number ≤9
i.e., 1, 2,3, 4,5, 6,7, 8,9
∴ Probability of one selected coupon to have number ≤ 9 = 9/15 = 3/5
Hence, the required probability
(Using multiplicative principle for independent events)
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Fifteen coupons are numbered 1, 2, 3,…..,15 respectively. Seven coupons are selected at random one at a time with replacement. The probability, that the largest number appearing on selected coupons is at most 9, isa)(1/15)7b)(3/5)7c)(8/15)7d)(2/5)7Correct answer is option 'B'. Can you explain this answer?
Question Description
Fifteen coupons are numbered 1, 2, 3,…..,15 respectively. Seven coupons are selected at random one at a time with replacement. The probability, that the largest number appearing on selected coupons is at most 9, isa)(1/15)7b)(3/5)7c)(8/15)7d)(2/5)7Correct answer is option 'B'. Can you explain this answer? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about Fifteen coupons are numbered 1, 2, 3,…..,15 respectively. Seven coupons are selected at random one at a time with replacement. The probability, that the largest number appearing on selected coupons is at most 9, isa)(1/15)7b)(3/5)7c)(8/15)7d)(2/5)7Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Fifteen coupons are numbered 1, 2, 3,…..,15 respectively. Seven coupons are selected at random one at a time with replacement. The probability, that the largest number appearing on selected coupons is at most 9, isa)(1/15)7b)(3/5)7c)(8/15)7d)(2/5)7Correct answer is option 'B'. Can you explain this answer?.
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