Probability 1

Question 11

Two dice are thrown simultaneously. What is the probability of getting two numbers whose product is even?

• 7/9
• 5/8
• 3/4
• 1/2

Question 12

From a pack of 52 cards, two cards are drawn together at random. What is the probability of both the cards being kings?

• 1/15
• 25/57
• 35/256
• 1/221

Question 13

Two cards are drawn together from a pack of 52 cards. What is the probability that one is a spade and one is a heart?

• 3/20
• 29/34
• 47/100
• 13/102

Question 14

A box contains 5 green, 4 yellow and 3 white balls. Three balls are drawn at random. What is the probability that they are not of the same color?

• 3/44
• 3/55
• 52/55
• 41/44

Question 15

Four different pens (1, 2, 3, 4) are to be distributed at random in four pen stands marked as 1, 2, 3, 4. What is the probability that none of the pen occupies the place corresponding to its number ?

• 17/24
• 3/8
• 1/2
• 5/8

Question 16

What is the probability of 3 students sharing a birthday in a class of 30 students is ________ .

• 0.0300
• 0.7029
• 0.5604
• None of the above

Question 17

What is the probability that a randomly selected bit string of length 10 is a palindrome?

• 1/64
• 1/32
• 1/8
• 1/4

Question 18

A testing method which is normally used as the acceptance test for a software system, is

• Regression Testing
• Integration Testing
• Unit Testing
• System Testing

Question 19

Let f(x) be the continuous probability density function of a random variable x, the probability that a < x ≤ b, is

• f (b − a)
• f (b) − f (a)
• 
•