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More ways to get Braingle...

Number of Siblings

Probability puzzles require you to weigh all the possibilities and pick the most likely outcome.

 

Puzzle ID:#38891
Fun:*** (2.35)
Difficulty:*** (2.53)
Category:Probability
Submitted By:leftclickAau*****!
Corrected By:tsimkin

 

 

 



Ten-year-old Bert Sampson lives in the town of Springvale, where, out of all households:

2% include five children
7% include four children
14% include three children
31% include two children
16% include one child
30% do not include any children

What are the chances that Bert lives with two sisters and no brothers?

(Consider all children living in any given house as siblings).




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