Mathematics, 02.07.2019 22:30, ezelle
You and a friend have a hula hoop competition. you win 3 out of every 7 trials. your friend wins 5 more trials than you. how many trials are in the competition?
Answers: 1
and probability of my friend's winning is 
. 
and my friend's score after n trials is 
.
trials and my friend will win 
trials. Hence, my friend won 5 more trials than me. 
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You and a friend have a hula hoop competition. you win 3 out of every 7 trials. your friend wins 5 m...
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