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A fair coin and an unbiased die are tossed.Let A be the event ‘head appears on the coin’
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Nov 25, 2021
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JackTerrance
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1.7m
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probability-interview-questions
probability-questions
probability
class-12
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1
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Let X denote the sum of the numbers obtained when two fair dice are rolled. Find the variance and standard deviation of X.
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Nov 25, 2021
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Education
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JackTerrance
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1.7m
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probability-interview-questions
probability-questions
probability
class-12
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Given two independent events A and B such that P (A) = 0.3, P (B) = 0.6. Find (i) P (A and B) (ii) P (A and not B)
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Nov 25, 2021
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Education
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JackTerrance
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1.7m
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probability-interview-questions
probability-questions
probability
class-12
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A box contains 8 red marbles 6 green marbles and 10 pink marbles. One marble in drawn at random from the box.
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Nov 25, 2021
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Education
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JackTerrance
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1.7m
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probability-interview-questions
probability-questions
class-12
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Two card are drawn from a pack of playing cards, one after the other,
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Nov 25, 2021
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Education
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JackTerrance
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1.7m
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probability-interview-questions
probability-questions
class-12
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A bag contains 8 red and 4 green balls. Find the probability (a) ball drawn is red when one ball is selected at random.
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Nov 25, 2021
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Education
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JackTerrance
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1.7m
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probability-interview-questions
probability-questions
probability
class-12
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Two dice are rolled simultaneously. Find the probability of getting a doublet of even numbers.
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Nov 25, 2021
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Education
by
JackTerrance
(
1.7m
points)
probability-interview-questions
probability-questions
probability
class-12
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1
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A bag contains 8 red and 4 green marbles. Find the probability that a marble selected at random is red.
asked
Nov 25, 2021
in
Education
by
JackTerrance
(
1.7m
points)
probability-interview-questions
probability-questions
probability
class-12
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Tickets are numbered from 1 to 18 are mixed up together and one ticket is drawn at random.
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Nov 25, 2021
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Education
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JackTerrance
(
1.7m
points)
probability-interview-questions
probability-questions
probability
class-12
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A bag contains 6 red, 4 white and Z black balls. Z balls are drawn at random.
asked
Nov 25, 2021
in
Education
by
JackTerrance
(
1.7m
points)
probability-interview-questions
probability-questions
probability
class-12
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