Probability and Graphing

Milo took a survey of the students in his grade to see how many are likely to join a gaming club if he starts one.  He surveyed 70 students, and 15 said they would be willing to join.  If there are 431 students in his grade, how many students might Milo expect to join the club?

• about 2,011

• about 2

• about 92

• about 15

Find P(Girls OR Can Bike)

Mathematical Equivalence

ON

P( women | movies)

Mathematical Equivalence

ON

Use the table which gives the number of passengers from the Titanic who survived or died and their cabin class. What is the probability that the passenger survived or is from 2nd class?

Mathematical Equivalence

ON

What is the theoretical probability that the pointer will land in a section labeled with the letter A on a given​ spin?

If the given spinner was spun 300 times, about how many J's would you expect to get?

• 60

• 30

• 40

• 70

Suppose you have a bag of colored plastic disks and you choose one without looking. The probability the disk you choose is yellow is ​P(yellow​)=5/25. How many plastic disks were in the bag?

• 5

• 25

• 30

• Unknown

There are two types of plants in a greenhouse. The following dot plots show the heights of 20​ plants, 10 of Type 1 and 10 of Type 2. The plants are given the same amount of food and water and grow at the same rate. What is the mean height for Type 2?

• 38

• 39

• 40

• 41

The manager of a restaurant wants to add two new side dishes to the menu. She asked a sample of customers during one of her evening shifts which side dish​ he/she prefers. The table shows the​ customers' responses. What is the experimental probability that a customer prefers a baked potato or asparagus?

• 26%

• 34%

• 40%

• 60%

A bag has 3 red marbles, 2 blue and 4 yellow. What is the probability of pulling a red?

• certain

• impossible 

• unlikely 

• equally likely