A fair die is rolled. The probability that the first 1 occurs at even number of trails is?
Manvendra Singh chahar , 12 Years ago
Grade Upto college level
Algebra> A fair die is rolled. The probability tha...
1 Answers
SHAIK AASIF AHAMED
Hello student,
he probability that the first 1 occurs at even number of trails is
=P(FS)+P(FFFS)+.......
=(5/6)(1/6)+(5/6)3(1/6)+.....
=(5/36)/(1-(25/36))
=5/11
Thanks and Regards
Shaik Aasif
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