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The ratio of boys to girls at birth in Singapore is quite high at 1.09:1. What proportion of Singapore families with exactly 6 children will have at least 3 boys? (Ignore the probability of multiple births.).

This question is from probability and statistics course unit, and the solution as solved by our tutors has been posted below. 
 

Are you looking for someone to do your excel homework? Our probability tutors provided the solution below to this question. If your parameters have changed, then you can still contact us for probability homework help. We can provide help with any excel assignment you might have. 

Probability of Boys 0.521531
   
n =  6
x= 3
P(x>=3) = 1-P(x < 2>  
probability of atleast 3 Boys, P(x >= 3) 0.695703

 

 

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