0.13 Probability: homework

A die is rolled.

A penny and a nickel are tossed.

A die is rolled, and a coin is tossed.

Three coins are tossed.

Two dice are rolled.

A jar contains four marbles numbered 1, 2, 3, and 4. Two marbles are drawn.

A card is drawn from a deck.

A die is rolled.

Two dice are rolled.

Three coins are tossed.

A family has three children.

A card is drawn from a deck, and the events $C$ and $D$ are as follows:

Find $P\left(C\text{ or }D\right)$ .

A die is rolled, and the events $E$ and $F$ are as follows:

Find $P\left(E\text{ or }F\right)$ .

Two dice are rolled, and the events $G$ and $H$ are as follows:

Find $P\left(G\text{ or }H\right)$ .

Three coins are tossed, and the events $I$ and $J$ are as follows:

Find $P\left(I\text{ or }J\right)$ .

At De Anza college, 20% of the students take Finite Mathematics, 30% take Statistics and 10% take both. What percentage of the students take Finite Mathematics or Statistics?