A fair die is tossed repeatedly until a 6 is obtained. Let X denote the number of tosses rerquired. The probability that `ge3` equals

Question

A fair die is tossed repeatedly until a 6 is obtained. Let X denote the number of tosses rerquired. The probability that `ge3` equals

A fair die is tossed repeatedly until a 6 is obtained. Let X denote the number of tosses rerquired.
The probability that `ge3` equals
A. `125//216`
B. `25//36`
C. `5//36`
D. `25//216`

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - B
Given that `P(Xle2)=1/6+5/6xx1/6=11/36`
Hence, the required probability is `1-(11//36)=25//36.`

4 views Answered 2023-02-05 15:29