SOLUTION: someone that buys something and takes it back after using it one time fling.10% adults deliberately do a one time fling. In a group of 7 friends what is the probabitly that.
a) no
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Question 125752This question is from textbook underatanding basic stats
: someone that buys something and takes it back after using it one time fling.10% adults deliberately do a one time fling. In a group of 7 friends what is the probabitly that.
a) no one has done a one-time fling?
b) at least one person has done a one time fling
c) no more than two people have done a one-time fling?
This question is from textbook underatanding basic stats
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
someone that buys something and takes it back after using it one time fling.10% adults deliberately do a one time fling. In a group of 7 friends what is the probabitly that.
a) no one has done a one-time fling?
0.9^7 = 0.4783...
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b) at least one person has done a one time fling
= 1-P(no one has done a one time fling) = 1-0.4783..= 0.5217..
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c) no more than two people have done a one-time fling?
= binomcdf(7,0.1,2) = 0.9743...
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Cheers,
Stan H.
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