Independent and Dependent Events

by Maegan Speights

| 8 Questions1

1

There are 7 purple flowers, 9 yellow flowers, and 12 pink flowers in a bouquet. Find the probability of choosing a purple flower, giving it away to your friend, then choosing another purple flower. Write your answer as a fraction in simplest form.

2

1

Was the scenario in number 1 independent or dependent?

Independent

Dependent

3

1

4

1

You randomly draw a marble from a bag containing 2 red marbles and 5 green marbles. You keep the first marble and then draw a second marble. Is this an independent or dependent event?

Independent

Dependent

5

1

In question 4, find P(green first, red second). Write your answer as a fraction in simplest form.

6

1

What is the probability in a normal 52 card deck,

you randomly draw a 3, and then without replacing it, you draw the Queen of Hearts? Write your answer as a fraction in simplest form.

7

1

You have a spinner with 5 equal sections numbered 1, 2, 3, 4 and 5. You have a normal number cube. Find P(spinning a 3 or 4, rolling a 2). Write your answer as a fraction in simplest form.

8

1

Was the scenario in question 7 independent or dependent?

Independent

Dependent

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