Q. 84.3( 18 Votes )

A die is thrown a

Answer :

(i) Total number of outcomes = 6 (they are 1,2,3,4,5,6)


Chances of getting 2 on the die = 1


Probability P() =


Probability of getting 2 on die P(2) = =


(ii) Total number of outcomes = 6 (they are 1,2,3,4,5,6)


Chances of getting a number less than 3 on the die = 2 (They are 1,2)


Probability P() =


Probability of getting a number less than 3 on die P(less than 3)


= = =


(iii) Total number of outcomes = 6 (they are 1,2,3,4,5,6)


Composite number: A number which is not a prime number or a number which is divisible by numbers other than 1 and the number itself.


Chances of getting a composite number on the die = 2 (They are 4,6)


Probability P() =


Probability of getting a composite number on die the P(composite number)


= = =


(iv) Total number of outcomes = 6 (they are 1,2,3,4,5,6)


Chances of getting a number not less than 4 on the die = 4 (They are 4,5,6)


Probability P() =


Probability of getting a number not less than 4 on die P(not less than 4)


= = =


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