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Frequently Asked GRE Numerical Ability - Probability Sample Question with Solutions

(#M40019196) GRE QUESTION probability Keep an EYE

The probabilities that a student will receive an A,B,C,D grade are 0.3,0.38,0.22,0.01 respectively. what is the probability that a student will receive atleast B grade?

Asked In GRE siri (12 years ago)

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(#M40151717) GRE QUESTION Probability Keep an EYE

Question
If there are 14 women and 10 men employed in a certain office, what is the probability that one employee picked at random will be a woman?
F. 1/6
G. 1/14
H. 7/12
I. 1
J. 7/5

Asked In GRE Aashu (10 years ago)

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(#M40026357) GRE QUESTION Keep an EYE

A certain jar contains 100 jelly beans: 50 white, 30 green, 10 yellow, 5 red, 4 purple, and 1 black. If a jelly bean is to be chosen at random, what is the probability that the jelly bean will be neither purple nor red?
(A) 0.09
(B) 0.11
(C) 0.55
(D) 0.91
(E) 0.96

Asked In GRE chaitanya (12 years ago)

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(#M40165796) GRE QUESTION Keep an EYE

Sofia and Tess will each randomly choose one of the 20 integers from 1 to 20. What is the probability that neither integer chosen will be square of the other ?

Asked In GRE Devendra Marghade (6 years ago)

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(#M40165974) GRE QUESTION Keep an EYE

What is the probability that a two digit number chosen at random will be a multiple of 3 and not of 5? (A) 1/3 (B) 2/15 (C) 4/15 (D) 2/9 (E) 8/15

Asked In GRE Devendra Marghade (6 years ago)

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(#M40165958) GRE QUESTION Keep an EYE

Each factor of 210 is inscribed on its own plastic ball, and all of the balls are placed in a jar. If a ball is randomly selected from the jar, what is the probability that the ball is inscribed with a multiple of 42? (A) 1/7 (B) 1/4 (C) 1/8 (D) 1/16

Asked In GRE Devendra Marghade (6 years ago)

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(#M40165865) GRE QUESTION Keep an EYE

A spinner divided into equal sections numbered 0 through 8 is spun 3 times. What is the probability that the spinner lands on a prime number all three times?

Asked In GRE Devendra Marghade (6 years ago)

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(#M40165863) GRE QUESTION Keep an EYE

A family keeps a bowl that contains ping-pong balls labeled with chores: tidy the hallway, wash dishes, mop kitchen floor, clean upstairs bathroom, vacuum living room, fold laundry, clean downstairs bathroom, and make the beds. One child particularly hates to use the vacuum cleaner. At chore time, she draws out two balls and must complete the chores written on them. What is the chance that she will avoid having to vacuum? A) 49/64 B) 1/4 C) 3/4 D) 7/4 E) 97/56

Asked In GRE Devendra Marghade (6 years ago)

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(#M40165801) GRE QUESTION Keep an EYE

One integer will be randomly selected from the integers 11 to 60, inclusive. What is the probability that the selected integer will be a perfect square or a perfect cube?
(A) 0.1 (B) 0.125 (C) 0.16 (D) 0.5 (E) 0.9

Asked In GRE Devendra Marghade (6 years ago)

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(#M40165814) GRE QUESTION Keep an EYE

Certain bowl contains 5 yellow marbles and 3 green marbles only. One by one, every marble is drawn at random and without replacement. What is the probability that the seventh marble drawn is NOT green?

Asked In GRE Devendra Marghade (6 years ago)

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