Suppose that you are rolling a six sided dice. Let

hadejada7x

hadejada7x

Answered question

2021-12-17

Suppose that you are rolling a six sided dice. Let A-get a 3 What is P(A)?
a. 4/6
b. 5/6
c. 1/6
d. 3/6

Answer & Explanation

redhotdevil13l3

redhotdevil13l3

Beginner2021-12-18Added 30 answers

Sample space of a single rolling dice = {1, 2, 3, 4, 5, 6}
Event A = get a 3 is 1
P(A)=16
Now P(Ac)=116=56
Answer: P(Ac)=56
Deufemiak7

Deufemiak7

Beginner2021-12-19Added 34 answers

Ac in this context means A-complement, or "everything that is NOT in A".
So if A = less than 2, then Ac = anything 2 or greater.
Out of the 6 possible outcomes, 5 of them {2, 3, 4, 5, 6} are in Ac.
So P(Ac) = 5/6.
nick1337

nick1337

Expert2021-12-28Added 777 answers

Rule
P(Ac)=1P(A) or you roll one die, you roll two dice.
if you roll a 6 sided die, then P(A)=1/6 and its complement would be P(Ac)=5/6 or I guess that notation must mean the probability of the complement of A.
So it's 5/6. You will almost always NOT get a number smaller than 2!

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