Home
Class 9
MATHS
The probability that a student will scor...

The probability that a student will score centum in mathematics is `4/5` . The probability that he will not score centum is ………………… .

A

`1/5`

B

`2/5`

C

`3/5`

D

`4/5`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • PROBABILITY

    FULL MARKS|Exercise Assignment (Answer the following questions)|5 Videos

  • PROBABILITY

    FULL MARKS|Exercise Additional Question Solved|10 Videos

  • MENSURATION

    FULL MARKS|Exercise Assignment (II. Answer the following questions)|8 Videos

  • REAL NUMBERS

    FULL MARKS|Exercise Text Book Activity (Activity 3:)|1 Videos

Similar Questions

Explore conceptually related problems

The probability that a student is not a swimmer is (1)/(5) Then the probability that out of five students, four are swimmers is

The probability that a person will get an electrification contract is (3)/(5) and the probability that he will not get plumbing contract is (5)/(8) . The probability of getting atleast one contract is (5)/(7) . What is the probability that he will get both ?

The probability that a student selected at random from a class will pass in Mathematics is 2/3 and the probability that he passes in Mathematics and English is 1/3 . What is the probability that he will pass in English if it is known that he has passed in Mathematics ?

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 dealer will sell at least 20TV sets during a day is 0.45 and the probability that he will sell less than 24TV sets is 0.74 . The probability that he will sell 20,21,22 or 23 TV sets during the day is

The probability that a man buying a shirt is 0.2 and that for buying a trouser is 0.3. The probability that he will buy a shirt given that he buys a trouser is 0.4. i. Find the probability that he will buy both a shirt and a trouser ii. Find the probability that he will buy a trouser, given that he buys a shirt.

In a competitive examination, an examinee either guesses or copies or knows the answer to amultiple choice question with four choices. The probability that he makes a guess is 1/3 and the probability that he copies the answer is 1/6. The probability that the answer is correct, given that he copiedit, is 1/8 . Find the probability that he knows the answer to the question, given that he correctly answered

In a competitive examination, an examinee either guesses or copies or knows the answer to amultiple choice question with four choices. The probability that he makes a guess is 1/3 and the probability that he copies the answer is 1/6. The probability that the answer is correct, given that he copiedit, is 1/8 . Find the probability that he knows the answer to the question, given that he correctly answered

The probability that a student will get a pass mark in mathematics is 0.17 and that of getting pass mark in English is 0.25. The probability that he will get pass in both subjects is 0.12.What is the probability that he will get pass mark only one of the two subjects: