1.

What can be the probability of an event from the following.? 0.4 1.004 11/23 18/11

Answer»

ANSWER:

Option A Is Right

WHAT IS PROBABILITY?

  • probability is the possible outcome of an event

  • it predicts the possible outcome

EXAMPLES:

  • outcome of a DIE rolled

  • a card DRAWN randomly from deck of cards

  • a ball picked randomly from a bag

SOLUTION FOR QUESTION:

  • the probability of an event must lie between 0 and 1

  • it must neither be 0 nor 1

  • the value must be rational.it can not be irrational

NOTE:

  • Rational number has finite value

  • irrational number has infinite value.

VERIFICATION

  • OPTION A: 0.4

it is finite and lies between 0 and 1

  • OPTION B:1.004

it is greater than one

  • OPTION C :11/23

11/23=0.478...........

it is infinite

  • OPTION D:18/11

18/11=1.63.......

it is infinite as well as greater than 1

ANSWER:

option a 0.4 satisfies all condition.

so the probability of an event may be 0.4


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