Question
$1.00 statistics
- From Mathematics: Statistics
- Closed, but you can still post tutorials
- Due on Sep. 20, 2011
- Asked on Sep. 20, 2011 at 11:13:57AM
Q:
65% of men consider themselves professional baseball fans. You randomly select 10 mens and ask each if he considers himself a professional baseball fan. Find the probability that the number who considers themselves baseball fans is (a) exactly eight, (b) at least eight, (c) less than eight. If convenient use technology to find the probabilities.
Round to the nearest thousandth as needed.
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A+ answers (step by step working) - I will refund if any answer is wrong....
- This tutorial was purchased 3 times and rated A+ by students like you.
- Posted on Sep. 20, 2011 at 11:39:41AM
Posted by :
A:
Preview: ... = 8 to 10;
Sum[ Combination[10,x] * (0.65)^x * (1-0.65)^(10-x) , ...
The full tutorial is about 39 words long .
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Full solution
- This tutorial hasn't been purchased yet.
- Posted on Sep. 20, 2011 at 11:53:50AM
Posted by :
A:
Preview: ... ) = C(n,k) p^k (1-p)^(n-k) = C(10,k) 0.65^k 0.35^(10-k) where C(n,k) represents the number "n ch ...
The full tutorial is about 65 words long .
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Answers submitted by using Megastat and output is given
- This tutorial hasn't been purchased yet.
- Posted on Sep. 20, 2011 at 11:54:16AM
Posted by :
A:
Preview: ...
X
p(X)
probability
Â
0.00003
0.00003
Â
1
0.00051
0.00054
Â
2
0.00428
0.00482
Â
3
0.02120
0.02602
Â
4
0.06891
0.09493
Â
5 ...
The full tutorial is about 86 words long .
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Easy Solution with excellent explanation
- This tutorial hasn't been purchased yet.
- Posted on Sep 20, 2011 at 1:12:01PM
A:
Preview: ... eight fans)=P(fans=8)+P(fans=9)+P(fans=10)= 10 C8 x(.65) 8(.35) 2+ 10 C9 x(.65) 9(.35) 1+ 10 C10 x(.65) 10 (.35) =.262=262/1000
Since ...
The full tutorial is about 91 words long .