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# \$1.00statistics

• From Mathematics: Statistics
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• Due on Sep. 20, 2011
• Asked on Sep. 20, 2011 at 11:13:57AM

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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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• Posted on Sep. 20, 2011 at 11:39:41AM
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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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• Posted on Sep. 20, 2011 at 11:53:50AM
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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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• Posted on Sep. 20, 2011 at 11:54:16AM
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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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• Posted on Sep 20, 2011 at 1:12:01PM
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