March Randomness Challenges and Outcomes: Week Four

This is Statistics’ March Randomness spring contest provides students with the opportunity to use their probability and statistics intuition to predict the outcomes of 16 simple random experiments. Teams that run out of their StatCoin stash will be eliminated. At the end of the month, the team with the most StatCoin loot wins the competition!

Here are the final week of challenges and outcomes:

Challenge #13

Roll four 6-sided dice.

Will there be a combination of at least two dice that forms exactly sum 8?

Challenge #13 Outcome

Eunice Kim, Data Scientist at Microsoft, shares the outcome of challenge #13.


Challenge #14 

Two red cards have an A on the back, and two red cards have a B on the back.

Two green cards have an A on the back, and one green card has a B on the back.

Shuffle the cards and select one red and one green at random.

Will both cards have an A on the back?

Challenge #14 Outcome

Eric Laber, Professor of Statistical Science at Duke University, shares the outcome of challenge #14.


Challenge #15

Roll a 20-sided die four times.

Will you roll a 19 or a 20 at least one time?

Challenge #15 Outcome 

Claire McKay Bowen, Lead Data Scientist for Privacy and Data Security at the Urban Institute, shares the outcome of challenge #15.


Challenge #16

A pouch has six blue balls and one red ball.

Shuffle and take out four balls at random.

Will the red ball be taken out?

 Challenge #16 Outcome

Ron Wasserstein, ASA’s Executive Director, shares the outcome of challenge #16.


Thank you for participating in our
March Randomness Spring Contest!

Stay tuned for the winner announcement next week!

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