Question

A stack of 30 science flashcards includes a review card for each of the following 10 insects, eight trees eight flowers, 4 birds. What is the probability of randomly selecting a TREE or a FLOWER?

Answer 1

Step-by-step explanation

From the statement, we know that stack of 30 science flashcards has:

• 10 with insects,

,

• 8 with trees,

,

• 8 with flowers,

,

• 4 with birds.

The probability of selecting a tree or a flower is given by:

`P(\text{tree or flower})=\frac{\text{\# of trees + \# of flowers}}{\text{total \# of cards}}=(8+8)/(30)=(16)/(30)=(4)/(15).`Answer

4/15