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September 2, 2015

Homework Help: math- statistics

Posted by Sherri on Sunday, December 14, 2008 at 7:35pm.

If the probability of a dancing lady accepting an initation to dance is 0.18, find the expected number of ladies you would have to ask before one accepts.

I think that the answer is: 1(.18)+2(.18)+3(.18)...7(.18)+8(.18)+9(.18)=8.1

*round answers to three signifcant figures*

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