Int2.3 D5 Probability Mixed Practice

If an area model is needed, draw one in your notebook or on a whiteboard: If you roll a standard 6-sided dice, what is the probability of getting a 6 or an odd number?

• $\frac{2}{3}$

• $\frac{1}{2}$

• $\frac{1}{6}$

• $\frac{1}{12}$

If an area model is needed, draw one in your notebook or on a whiteboard: For the following question, if an area model is needed, please draw one in your notebook: The spinners above are each spun once. What is the probability of an odd number on the first spinner and a 3 on the second spinner?

• $\frac{1}{16}$

• $\frac{2}{6}$

• $\frac{3}{4}$

• $\frac{1}{8}$

If an area model is needed, draw one in your notebook or on a whiteboard: Your coach brings you snacks after sports practice. Everybody gets to pick one snack and one drink. The snack options are: a banana, pretzels, takis or oreos. The drink options are: gatorade or water. You can’t decide, so you make your decision randomly. How many meal combinations are there?

If an area model is needed, draw one in your notebook or on a whiteboard: Your coach brings you snacks after sports practice. Everybody gets to pick one snack and one drink. The snack options are: a banana, pretzels, takis or oreos. The drink options are: gatorade or water. You can’t decide, so you make your decision randomly. What is the probability that you pick pretzels and gatorade?

Principal Wolf surveys North students about their favorite class to analyze student data, and gets the following results. 23% 9th graders, 27% 10th graders, 20% 11th graders, 30% 12th graders. 10% prefer math, 25% prefer science, 23% prefer English, 27% prefer social studies, 15% prefer an elective.

What is the probability that a student chosen at random will be in 10th grade AND their favorite class will be science?

• 52%

• 45.25%

• 6.75%

• 5%

If an area model is needed, draw one in your notebook or on a whiteboard: A bag contains 6 pink cubes numbered 1 through 6, and 9 yellow cubes numbered 1 through 9. One cube is chosen at random. What is the probability that the cube is yellow or a 5?

• $\frac{2}{3}$

• $\frac{1}{2}$

•  $\frac{1}{15}$  
  

• $\frac{5}{9}$

If an area model is needed, draw one in your notebook or on a whiteboard: If you roll a standard 6-sided dice, what is the probability of getting a 5 or an even number?

•  $\frac{1}{2}$   

•  $\frac{2}{3}$  
  

• $\frac{1}{6}$

• $\frac{1}{12}$

For the following question, if an area model is needed, please draw one in your notebook: The spinners above are each spun once. What is the probability of an even number on the first spinner and a 4 on the second spinner?

• $\frac{1}{16}$

• $\frac{2}{6}$

• $\frac{3}{4}$

• $\frac{1}{8}$

If an area model is needed, draw one in your notebook or on a whiteboard: You're going shopping for a new wardrobe. You can choose one top and one shoe. The top options are: t-shirt, hoodie, blouse, jacket or coat. The shoe options are: heels, wedges, or sandals. You can’t decide, so you make your decision randomly. How many wardrobe combinations are there?

If an area model is needed, draw one in your notebook or on a whiteboard: You're going shopping for a new wardrobe. You can choose one top and one shoe. The top options are: t-shirt, hoodie, blouse, jacket or coat. The shoe options are: heels, wedges, or sandals. You can’t decide, so you make your decision randomly. What is the probability you choose wedges and a hoodie?