# statistics

posted by
**Kim**
.

determine whether the following formula is a probability distribution

P(X)=X/20 for X=1,4,7

AND

P(X)=X+0.1 for X=0.24,0.26,0.15

posted by
**Kim**
.

determine whether the following formula is a probability distribution

P(X)=X/20 for X=1,4,7

AND

P(X)=X+0.1 for X=0.24,0.26,0.15