Probability (10)

Classical definition of probability. Simple problems on finding the probability of an event.

A die is rolled once. Find the probability of getting

A die is rolled once. Find the probability of getting

  1. an even prime number.
  2. a
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From a well-shuffled deck of 52 playing cards

From a well-shuffled deck of 52 playing cards, a card is drawn at random. What is the probability of getting a red queen? 

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Which of the following cannot be the probability of an event?

Which of the following cannot be the probability of an event?

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An integer is chosen at random between 1 and 100. Find the probability that it is

An integer is chosen at random between 1 and 100. Find the probability that it is :

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Two different dice are tossed together. Find the probability

Two different dice are tossed together. Find the probability :

  1. of getting a
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Two different dice are thrown together. Find the probability that the numbers obtained have

Two different dice are thrown together. Find the probability that the numbers obtained have

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A bag contains 15 white and some black balls

A bag contains 15 white and some black balls. If the probability of drawing a black ball from the bag is thrice that of drawing a white ball,

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The probability of selecting a rotten apple randomly from a heap of 900 apples is 0.18

The probability of selecting a rotten apple randomly from a heap of 900 apples is 0.18. What is the number of rotten apples in the heap ? 

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The probability of selecting a blue marble at random from a jar that contains

The probability of selecting a blue marble at random from a jar that contains only blue, black and green marbles is $\frac{1}{5}$. The

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