Experimental Sample and Probability

Kate spun the spinner 75 times and landed on "3" thirty times.

What is the experimental probability as a percentage?

• 20%

• 30%

• 40%

• 50%

Jill rolled a "5" fifteen times out of 20 rolls on a dice. What is the experimental probability as a SIMPLIFIED FRACTION!

• 3/7

• 3/6

• 3/5

• 3/4

What type of probability is a way of estimating the probability of an event happening based on repeated trials?

• Experimental Probabillity

• Theoretical Probability

Theoretically, what is the probability that you will land on a 3?

• 25%

• 50%

• 75%

• 0%

?

• Thomas should ask 30 students in the eighth grade.

• Thomas should ask 30 of his closest friends.

• Thomas should ask 30 students in the seventh grade.

• Thomas should ask 30 people eating lunch at McDonalds across the street from school.

Select all the options that would produce a random sample.

• Survey the first 50 people that walk in the doors.

• Survey everyone at his jazz band practice.

• Survey two randomly chosen students in every homeroom.

• Assign each student in the school a number, randomly choose 50 numbers, and survey those students.

• Survey every third student that he sees on his walk to school.

What is the theoretical probability of rolling a 5 on a dice?

• 1/6

• 5/6

• 6

• 15

Isidro flips a fair coin 40 times. How many times can he expect heads to appear?

• 4

• 10

• 15

• 20

What is a sample space?

• All possible outcomes

• An area where you record your data

• The most probable responses to a question

• Whether or not a possibility is likely

During snack time, the students were offered their choice of either white or chocolate milk, and either chocolate chip or oatmeal cookies. How many variations were possible?

• 1

• 2

• 4

• 6