Sample and Simple Probability

Jocelyn made a spinner with equal sections, as shown.

If Jocelyn spins only one time, what is the probability that the arrow will NOT land on a red section of the spinner?

Mathematical Equivalence

ON

The table shows the types of movies and the number of DVDs rented by customers at a store in one day.

Based on the data in the table, what is the probability that a random customer will not rent a drama?

Mitsu will be randomly assigned to a seat on an airplane. There are a total of 50 seats on the plane. Of these seats, 16 are aisle seats, and the rest are window seats. What is the probability, as a percent, that Mitsu will be assigned to a window seat? Record your answer. Be sure to use the correct place value.

What is the probability of Claudia spinning a number greater than four on this spinner?

Mathematical Equivalence

ON

Oliver can go to 1 restaurant for either lunch or dinner. His choice of restaurants is listed below.

•  Chinese

•  Italian

•  Mexican

•  Barbecue

Which list shows all the possible outcomes of 1 restaurant and 1 meal?

• Chinese, lunch

  Chinese, dinner

  Italian, Chinese

  Italian, dinner

  Mexican, lunch

  Mexican, barbecue

  Barbecue, lunch

  Barbecue, dinner

  
  

• Chinese, lunch

  Italian, lunch

  Mexican, dinner

  Barbecue, dinner

  
  

• Chinese, lunch

  Chinese, dinner

  Italian, lunch

  Italian, dinner

  Mexican, lunch

  Mexican, dinner

  Barbecue, lunch

  Barbecue, dinner

  
  

• Chinese, lunch

  Chinese, dinner

  Italian, lunch

  Italian, dinner

  
  

What is the probability of rolling 15 with a pair of dice?

• impossible

• unlikely

• equally likely

• likely

The sample space tree diagram for a team of three students is shown.  What is the probability that the team would consist of at least 2 girls?

• ½

• ⅜

• ¾

• ⅙

Mrs. Trevino has 3 red pens, 5 pink pens, and 8 blue pens. What is the probability that she will choose a blue pen to grade papers?

• 1/2

• 8

• 3/16

• 16/8

What is the probability of rolling a 3 and spinning a red?

• 1/6

• 1/4

• 1/10

• 1/24

Suppose a 4 is rolled on a number cube with sides numbered 1, 2, 3, 4, 5, and 6. The complement of this event would be rolling a 1, 2, 3, 5, or 6. What is the probability of the complement, written as a fraction in simplest form?