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

What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
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?
Link Copied!