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$1.00 statistics

  • From Mathematics: Statistics
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  • Due on Oct. 02, 2011
  • Asked on Sep 29, 2011 at 2:37:30PM
Asked by :
jesseh83
jesseh83
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Q:

53% of men consider themselves professional baseball fans. you randomly select 10 men and ask if he considers himself a professional baseball fan. Find the probability that the number who consider themselves baseball fans is (a) exactly eight, (b) at least eight, and (c) less than eight.

 

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$1.00
A+ solution
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  • Posted on Sep 29, 2011 at 2:45:32PM
Posted by :
littleFermat
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A:
Preview: ... ^2 = 0.0619 b ...
The full tutorial is about 13 words long .
 
$1.00
calculating binomial probabilities
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  • Posted on Sep 29, 2011 at 2:50:52PM
Posted by :
lagvier
lagvier
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A:
Preview: ... p=0.53, q=1-p=0.47 P(x)= nC xP xq ...
The full tutorial is about 6 words long .
 
$1.00
Full solution
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  • Posted on Sep 29, 2011 at 2:58:24PM
Posted by :
ping41
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A:
Preview: ... (X=k) = C(n,k) p^k (1-p)^(n-k) = C(10,k) 0.53^k 0.47^(10-k) where  C(n,k) represents the number "n ...
The full tutorial is about 62 words long .
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