Home
Class 12
MATHS
The probability that a student is not a ...

The probability that a student is not a swimmer is `1/5`. Then the probability that out of five students, four are swimmers is (A)`.^(5)C_(4)(4/5)^(4)1/5`(B) `(4/5)^41/5`(C) `^5C_1 1/5(4/5)^4` (D) None of these

Text Solution

Verified by Experts

The correct Answer is:
`256/625`
NA
Promotional Banner

Topper's Solved these Questions

  • PROBABIILITY

    NAGEEN PRAKASHAN ENGLISH|Exercise Exercise 13 F (multiple Choice Questions)|10 Videos

  • PROBABIILITY

    NAGEEN PRAKASHAN ENGLISH|Exercise Exercise 13 G (questions For Competitive Examinations)|10 Videos

  • PROBABIILITY

    NAGEEN PRAKASHAN ENGLISH|Exercise Exercise 13 D|15 Videos

  • MATRICES

    NAGEEN PRAKASHAN ENGLISH|Exercise Miscellaneous Exerice|15 Videos

  • RELATIONS AND FUNCTIONS

    NAGEEN PRAKASHAN ENGLISH|Exercise Miscellaneous Exercise|19 Videos

Similar Questions

Explore conceptually related problems

The probability that a student is not swimmer is 1//4 . Then the probability that out of five students atleast four are swimmers is

The probability that a student is not a swimmer is 1/5 . Then the probability that out of five students, four are swimmers is (A) ^5C_4""(4/5)^4""1/5 (B) (4/5)^4""1/5 (C) ^5C_1 1/5(4/5)^4 (D) None of these

The probability that a student is not a swimmer is 1/5. Then find the probability that out of 5 students exactly 4 are swimmer.

If the probability that a person is not a swimmer is 0.3, then the probability that out of 5 persons 4 are swimmers is

If the probability that a person is not a swimmer is 0.3, then the probability that out of 5 persons 4 are swimmers is

The probability that a marksman will hit a target is given is 1/5. Then the probability that at least once hit in 10 shots is 1-(4//5)^(10) b. 1//5^(10) c. 1-(1//5)^(10) d. (4//5)^(10)

Probability that A speaks truth is 4/5 . A coin is tossed. A reports that a head appears. The probability that actually there was head is (A) 4/5 (B) 1/2 (C) 1/5 (D) 2/5

The probability that a bulb produced by a factory will fuse after 150 days if used is 0.05. what is the probability that out of 5 such bulbs none will fuse after 150 days of use? 1-(19/20)^5 b. (19/20)^5 c. (3/4)^5 d. 90(1/4)^5

The probability to pass in an examination of mathematics for three students are 1/4,1/5,1/6 . Find the probability that at least two students will pass in this examination.

The probability of solving a problem by three students are 1/3,1/4,1/5 . Find the probability that the problem will be solved if all three students try the problem simultaneously.