Question

Ram rolling a fair dice 30 times. What is the expected number of times that the dice will land on an odd number?

• A. 10
• B. 20
• C. 15
• D. 12

Answer 1

Answer:

C. 15

Total number of times = 30 P{getting odd number } = favorable case/ total number of outcomes 1/2 = favorable case/30 favorable case [expected number of times that the dice will land on an odd number ] = 1/2 × 30 = 15