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keisha decides to roll a number cube until she gets a 6. let x= the number of rolls until she rolls a 6. what is the probability that keisha gets her first 6 on or after her 2nd roll?
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12 votes
12 votes
keisha decides to roll a number cube until she gets a 6. let x= the number of rolls until she rolls a 6. what is the probability that keisha gets her first 6 on or after her 2nd roll?

User Roan
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1 Answer

16 votes
16 votes

the probability will be 1/6 + 1/6=1/3

User Pauly Dee
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