Probability

Question 1

Prob types

Answer 1

1. coins
2. cards
3. dices

Question 2

Binomial distribution

Answer 2

It’s for coins.
For more cases.
The conditions must b P’+P=1

BD= Ncr•P^r(1-P)^(n-r)

N= total coins
R= favourable 
P= probability of favourable outcome

Question 3

Dices

Answer 3

1 dice= 6 outcomes
2 dice=36 outcomes

{Remember triangle}

Sum= 8 = 5/36
Sum= 4 = 3/36 =1/12
Sum of prime number = 15/36

(15= 1+2+4+6+2)