Which of the following is an experiment?
  • Tossing a coin
  • Rolling a single 6-sided die
  • Choosing a marble from a jar
  • All of the above
Which of the following is an outcome?
  • Rolling a pair of dice
  • Landing on red
  • Choosing 2 marbles from a jar
  • None of the above
Which of the following experiments does NOT have equally likely outcomes?
  • Choose a number at random from 1 to 7
  • Toss a coin
  • Choose a letter at random from the word SCHOOL
  • None of the above
What is the probability of choosing a vowel from the alphabet?
  • 21/26
  • 5/26
  • 1/21
  • none of the above
A number from 1 to 11 is chosen at random. What is the probability of choosing an odd number?
  • 1/11
  • 5/11
  • 6/11
  • none of the above
The sum of all probabilities equal to ?
  • 4
  • 1
  • 3
  • 2
The probability of drawing an ace card from a deck of cards is ?
  • 1/52
  • 1/26
  • 4/13
  • 1/13
A dice is thrown. The probability of getting 1 and 5 is ?
  • 1/6
  • 2/3
  • 1/3
  • 1/2
What is the probability of impossible events?
  • 1
  • 0
  • more than 1
  • less than 1
There are 4 green and 2 red balls in a basket. What is the probability of getting the red balls?
  • 1/2
  • 1/3
  • 1/5
  • 1/6
If two coins are tossed simultaneously, then what is the probability of getting exactly two tails?
  • 1/4
  • 1/2
  • 1/3
  • None of the above
The sum of the probabilities of all events of a trial is ?
  • 1
  • GREATER THAN 1
  • LESS THAN 1
  • BETWEEN 0 AND 1
Performing an event once is called ?
  • SAMPLE
  • TRIAL
  • ERROR
  • NONE OF THE ABOVE
Which of the following cannot be the probability of an event?
  • 1
  • 0
  • 0.75
  • 1.3
A batsman hits boundaries for 6 times out of 30 balls. Find the probability that he did not hit the boundaries ?
  • 1/5
  • 2/5
  • 3/5
  • 4/5
A card is drawn from a well-shuffled deck of 52 cards. What is the probability of getting a king of the red suits?
  • 3/36
  • 1/26
  • 3/26
  • 1/16
If the probability of winning a game is 0.3, then probability of losing it is ?
  • 0.6
  • 0.7
  • 0.5
  • none of these
A four digit number is to be formed by using the digits 2,4,7,8.2,4,7,8. The probability that the number will start with 7 ?
  • 3/4
  • 1/4
  • 1/3
  • 1/7
What is the probability of a number greater than 66 for a single throw of a die?
  • 0
  • 1
  • 1/2
  • none of these
P(two green cards)DO NOT replace
  • 1/29
  • 11/30
  • 1/25
  • 1/5
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