Register

Richard rolls a fair dice 420 times. How many times would Richard expect to roll a four?

Richard rolls a fair dice 420 times. How many times would Richard expect to roll a four?
194k views
4 votes
Richard rolls a fair dice 420 times.
How many times would Richard expect to roll a four?

User Xandman
by
7.4k points

1 Answer

1 vote
70 times, because there is one four, giving him the change of 1/6
User Joshua Howard
by
8.1k points
← Prev Question Next Question →

No related questions found

Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories

Other Questions

How do you can you solve this problem 37 + y = 87; y =
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
i have a field 60m long and 110 wide going to be paved i ordered 660000000cm cubed of cement  how thick must the cement be to cover field
Link Copied!