Drawing Marbles

1
Drawing Marbles
2
What would be your conclusion if the randomly
selected marble is blue?

• Reject the null hypothesis.
• Dont reject the null hypothesis.
• Not sure.

3
Would you reject the null hypothesis if the
marble is red?

• Yes.
• No.
• Not sure.

4
Suppose the marble is red. It is replaced in the
mug and a second marble is randomly selected from
the same mug. If this second marble is also red,
could you justify rejecting the null hypothesis?

• Yes.
• No.
• Not sure.

5
What would be your position is a third marble
were also red?

• Reject the null hypothesis.
• Do not reject the null hypothesis.
• Not sure.

6
How many red marbles must be selected for you to
reject the null hypothesis?

• Two
• Three
• Four
• Five
• Six
• More than Six