Out of 10 persons working on a project, 4 are graduates. If 3 are selected, what is the probability that there is at least one graduate among them?
A. 1/6
B. 5/8
C. 3/8
D. 5/6
Probability · Easy · 3 weeks ago
Question Bank
Probability
The probability that A speaks truth is 3/5 and that of B speaking truth is 4/7. What is the probability that they agree in stating the same fact?
A. 18/35
B. 12/35
C. 17/35
D. 19/35
Probability · Easy · 3 weeks ago
In a party there are 5 couples. Out of them 5 people are chosen at random. Find the probability that there are at the least two couples?
A. 5/21
B. 5/14
C. 9/14
D. 16/21
Probability · Easy · 3 weeks ago
The probability of a lottery ticket being a prized ticket is 0.2. When 4 tickets are purchased, the probability of winning a prize on at least one ticket is__________?
A. 0.4869
B. 0.5904
C. 0.6234
D. 0.5834
Probability · Easy · 3 weeks ago
10 books are placed at random in a shelf. The probability that a pair of books will always be together is_________?
A. 1/10
B. 9/10
C. 1/5
D. 3/10
Probability · Easy · 3 weeks ago
What is the probability that a leap year has 53 Sundays and 52 Mondays?
A. 0
B. 1/7
C. 2/7
D. 5/7
Probability · Easy · 3 weeks ago
Out of 15 consecutive numbers, 2 are chosen at random. The probability that they are both odds or both primes is_________?
A. 10/17
B. 10/19
C. 46/105
D. Cannot be determined
Probability · Easy · 3 weeks ago
A bag contains five white and four red balls. Two balls are picked at random from the bag. What is the probability that they both are different color?
A. 4/9
B. 5/9
C. 7/9
D. 8/9
Probability · Easy · 3 weeks ago
Showing 25 to 32 of 33 results