Question

4. If a fair dice is
rolled five times
, What is the
probability that
2 of it's rolls will
show 1 's. ?​

Answer 1

Answer:

1 / 6

Step-by-step explanation:

Let the Sample Space be S

S = { 1 , 2 , 3 , 4 , 5 , 6 }

n(S) = 6

Let The event in which 1 shows on the upper face be A

A = { 1 }

n(A) = 1

Probability of event A

= n(A) / n(S)

= 1 / 6

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