Probability Experimental and Theoretical

________ probability is that actually happens during the experiment

• theoretical

• experimental

Jan rolled the dice 25 times and had it land on 4 six times. What is the experimental probability of this scenario?

• 1/6

• 4/25

• 6/25

• 4

Jan rolled the dice 25 times and had it land on a 4 six times. What is the theoretical probability of the scenario?

• 1/6

• 4/25

• 6/25

• 4/6

About 9 out of every 10 people are right-handed. The information below shows the number of students in Wayne's class who are left-handed and right-handed. What is the theoretical probability that someone is right-handed? What is the experimental probability that a student in Wayne's class is right handed? Express your answers as percents.

• theoretical: 90%,

  experimental: 96%

• theoretical: 10%

  experimental: 4%

• theoretical: 90%

  experimental: 91%

• theoretical: 10%

  experimental: 9%

If you flip a fair coin and roll a six-sided number cube, what is the probability of flipping heads and rolling a 5?

• 1

• 1/6

• 1/12

• 1/8

__________ proability is the chance of something happening based on the probability ratio.

• theoretical

• experimental

Neil tossed a 6-sided die 90 times. The results of his tosses are recorded in the table below: Which number has the experimental probability of 13/90?

• 1

• 2

• 3

• 4

• 5

Josh is rolling dice in a probability experiment. If Josh wants the experimental probability to be as close as possible to the theoretical probability, which plan should he use?

• Roll 4 times

• Roll 40 times

• Roll 75 times

• Roll 140 times

What is the experimental probability of the coin landing on heads?

A standard 6-sided die is tossed 90 times. The results are recorded in the table. What number had an experimental probability that matched its theoretical probability?

• 1

• 2

• 3

• 4

• 5