Probability & Stats

In a class of 30 IB students, 20 study mathematics SL, 12 study physics and 8 study both of these subjects.

Find the probability that a randomly selected student studies mathematics SL, given that he studies physics.

• $\frac{2}{5}$

• $\frac{3}{5}$

• $\frac{2}{3}$

• $\frac{1}{3}$

Tags

CCSS.HSS.CP.B.6

What is the probability of spinning a red if we spin 30 times?

• 1/6
• 1/30
• 6/30
• 1/10

Tags

CCSS.7.SP.C.6

If you choose from the following M & M's, what is the probability that you choose blue?
5 green
6 yellow
8 blue
7 brown

• 8/26
• 4/13
• 8/25
• 1/3

Tags

CCSS.7.SP.C.7B

Theoretically, what is the probability of rolling a sum of one with a pair of dice?

• 0
• 1/6
• 1/12
• 1/36

Tags

CCSS.7.SP.C.5

What is the probability of spinning a red, then spinning a yellow?

• 1/8
• 1/16
• 1/2
• 1/3

The letters that form the word ALGEBRA are placed in a bowl. What is the probability of choosing a letter other than “A”? 

• 2/7
• 5/49
• 5/7
• 10/49

Tags

CCSS.7.SP.C.7B

Theoretical Probability is?

• What Should happen
• What does happen
• What Will Happen
• What I want to Happen

Experimental Probability is:

• What Will happen 
• What actually happens
• What should happen
• What I think Happens

On a 6-sided die, which is more likely?

• Rolling an odd number
• Rolling an even number
• They are both equally likely.

Tags

CCSS.7.SP.C.5

What is the probability your teacher will miss you over the summer?

• 100%

• 100%

• 100%

• 100%

Tags

CCSS.7.SP.C.5