mathematics MCQs – Page 92

Practise multiple-choice questions from mathematics for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

1821. Which of the following is not a correct statement about a Probability _________________?
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A. It must have a value between 0 and 1

B. It is the collection of several experiment

C. A value near 0 means that the event is not likely to occur/happens

D. It can be reported as a decimal or a fraction

1822. The probability of getting exactly three tails when three balanced coins are tossed once _______________?
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A. 8-Feb

B. 1/8

C. 8-May

D. 8-Jul

1823. A fair coin toss the total events in sample space equal_____________?
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A. 16

B. 36

C. 6

D. 7

1824. If the occurrence of excludes the occurrence of the other is called ________________?
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A. Exchaustive

B. Mutually exclusive

C. Likely

D. Probability

1825. A list of sample _________ is called sample space?
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A. Events

B. Distinct

C. Piont

D. Subset

1826. If P(B/A)= 0.25 and P(A?B) = 0.2 then P(A) will equal to _______________?
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A. 0.8

B. 0.45

C. 0.75

D. 0.05

1827. The probability of drawing a picture card out of 52 cards is : ______________?
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A. 13/52

B. 12/52

C. Mar-52

D. 16/52

1828. A set of events is said to be independent if probability of head on tossing a coin is _______________?
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A. 1

B. 3-Feb

C. 1/2

D. 4-Mar

1829. If a card is chosen from a standard deck of cards, what is the probability of getting a diamond (?) or a club (?)?
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A. Dec-52

B. 13/52

C. 20/52

D. 26/52=1/2
1830. The probability of even/odd numbers when a fair die is rolled is____________?
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A. Jan-36

B. 6-Jan

C. 3/6

D. 6-Feb

1831. Which of the following is not an example of a discrete probability distribution ?
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A. The sale or purchase price of a house

B. Non of these

C. Whether or no t a home has a swimming pool in it.

D. The number of bedrooms in a house
1832. If P(A/B)=1/4 and P(A?B) =1/5 then P(B) is ________________?
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A. 9-Jan

B. 20-Jan

C. 4/5

D. 0

1833. The special rule of multiplication of probability, the events must be ______________?
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A. Mutually exclusive

B. Bayesian

C. Empirical

D. Independent
1834. The square bracket is an finite G. Series is obtained by formula _________________?
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A. a/1-rn

B. a/1-r

C. a/(1-r)n

D. 1/1-rn

1835. The probability of drawing a diamond card out of 52 cards is ______________?
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A. 2-Jan

B. 0

C. Apr-52

D. 13/52
1836. The joint probability is _______________?
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A. The likelihood of two events happening given that another event has already ha

B. Also called Prior probability

C. Based on two mutually exclusive events

D. The likelihood of two events happening together
1837. If A and B are mutually exclusive then?
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A. P(AeitherB)=0

B. P(AnorB)=0

C. P(AorB) =0

D. P(AandB)=0
1838. The probability of drawing an even number in a toss of a balanced die ______________?
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A. 6-Feb

B. 6-Jan

C. 6-Jun

D. 3/6
1839. All experiments have _______ properties in common?
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A. Three

B. Two

C. One

D. Four

1840. A box containing 12 balls of color 6 red and 6 white. A ball of white selected ball finds the probability of white____________?
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A. 12-Dec

B. 12-Jul

C. 12-Apr

D. 6/12