In a workshop, there are five machines and the probability of any one of them to be out of service on a day is … . If the probability that at most two machines will be out of service on the same day is …, then k is equal to :

Option C. Probablity of at most two machines will be out of service = …

Probability

JEE Main 2020 · 7 Jan, Evening shift · Q4881

MathematicsMedium75×since 2002Q4881

In a workshop, there are five machines and the probability of any one of them to be out of service on a day is

{{1 \over 4}}

. If the probability that at most two machines will be out of service on the same day is

{\left( {{3 \over 4}} \right)^3}k

, then k is equal to :

JEE Main 2020 · 7 Jan, Evening shift · Q4881

MathematicsMedium75×since 2002Q4881

In a workshop, there are five machines and the probability of any one of them to be out of service on a day is

{{1 \over 4}}

. If the probability that at most two machines will be out of service on the same day is

{\left( {{3 \over 4}} \right)^3}k

, then k is equal to :