Ram rolling a fair dice 30 times, What is the expected number of times that the dice will land on a 3?
A5
B6
C4
D3
Answer:
A. 5
Read Explanation:
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