Theoretical Probability of Combined Events 2

Theoretical Probability of Combined Events 2

Multiple Choice

A spinner board consists of 6 equal sectors.

It is spun twice.

Are getting yellow on the first spin and getting yellow again on the second spin independent events?

• Yes, the events are independent events.

• No, the events are dependent events.

Multiple Choice

Six cards are numbered 1, 2, 3, 4, 5, 6.

Two cards are drawn randomly.

No replacement is made after the first card is drawn.

Are drawing a 6 as the first card and drawing another six as the second card independent events?

• Yes, the events are independent events.

• No, the events are dependent events.

Multiple Choice

There are three books on the shelf.

Hanz randomly selects two books from the shelf blindfolded.

No replacements made after the first book is selected.

Are selecting a fiction book as the first book and selecting another fiction book as the second book independent events?

• Yes, the events are independent events.

• No, the events are dependent events.

Multiple Choice

What is the probability that both books are fiction books?

• $\frac{2}{9}$

• $\frac{1}{3}$

• $\frac{2}{3}$

• $\frac{1}{2}$

Multiple Choice

The names of 5 students are put in a hat.

Miss Maria picks two names randomly.

Are picking the two names independent events?

• Yes, the events are independent events.

• No, the events are dependent events.

Open Ended

Anna uses a possibility diagram to calculate the probability that two 'A's are selected as seen at the right.

What are Anna's mistakes?