Quiz on Probability for CBSE by Pratima Nayak 12th Grade Quiz

Quiz on Probability for CBSE by Pratima Nayak

Assessment

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Pratima Nayak

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Mathematics

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12th Grade

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20 plays

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Hard

Student preview

11 questions

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1.

MULTIPLE CHOICE

3 mins • 1 pt

If P(A) = 4/ 5 , and P(A ∩ B) = 7/ 10 , then P(B | A) is equal to

2.

MULTIPLE CHOICE

3 mins • 1 pt

If P(A ∩ B) = 7/ 10 and P(B) = 17/ 20 , then P (A | B) equals to

3.

MULTIPLE CHOICE

3 mins • 1 pt

If P(A) = 3/ 10 , P (B) = 2/ 5 and P(A∪B) = 3/ 5 , then P (B | A) + P (A | B) equals to

4.

MULTIPLE CHOICE

3 mins • 1 pt

Two cards are drawn from a well shuffled deck of 52 playing cards with replacement. The probability, that both cards are queens is

5.

MULTIPLE CHOICE

3 mins • 1 pt

Eight coins are tossed together. The probability of getting exactly 3 heads is

6.

MULTIPLE CHOICE

3 mins • 1 pt

Eight coins are tossed together. The probability of getting exactly 3 heads is

7.

MULTIPLE CHOICE

3 mins • 1 pt

From a pack of 52 cards, two cards are drawn together, what is the probability that both the cards are kings

8.

MULTIPLE CHOICE

3 mins • 1 pt

A speaks truth in 75% of cases and B in 80% of cases. In what percentage of cases are they likely to contradict each other, narrating the same incident

9.

MULTIPLE CHOICE

3 mins • 1 pt

A box contains 5 green, 4 yellow and 3 white balls. Three balls are drawn at random. What is the probability that they are of same colour.

10.

MULTIPLE CHOICE

3 mins • 1 pt

A box contains 20 electric bulbs, out of which 4 are defective. Two bulbs are chosen at random from this box. The probability that at least one of these is defective is