Question

Ram rolling a fair dice 30 times, What is the expected number of times that the dice will land on a 3?

• A. 5
• B. 6
• C. 4
• D. 3

Answer 1

Answer:

A. 5

Total number of times = 30 P{getting 3} = favorable case/ total number of outcomes 1/6 = favorable case/30 favorable case [expected number of times that the dice will land on a 3 ] = 1/6 × 30 = 5