Determine Experimental Probability

• A

• B

• C

• D

• $1

• $5

• $10

• $20

Beth will reach into the bag and randomly choose 1 ballon. What is the experimental probability she will choose a green ballon?

What is experimental probability?

• Probability is defined as a mathematical way of calculating how likely an even is to occur.

• Probability found by conducting an experiment.

Celine flipped a coin 100 times. She flipped heads 41 times and tails 59 times. What is the experimental probability that the next flip will be heads?

• 41/100

• 1/2

• 59/100

• 3/4

Based on the results in the table, which is the best prediction of how many times Paola will draw a blue or a red marble in 5,000 trials? (HINT: Set up as a proportion!)

• about 1,400 times

• about 3,000 times

• about 4,400 times

• about 3,600 times

A restaurant manager recorded the number of orders for each of four drinks available. The results are shown in the table. Determine whether the following prediction is TRUE or FALSE. About 16 of the next 50 drink orders will be for water.

• TRUE

• FALSE

What is the experimental probability (as a percent) that she will hit the ball next?

• 22.5%

• 37.5%

• 45%

• 3%

Find the experimental probability:
Roll dice:  1, 3, 3, 4, 4
P(1) = 

• 3/5

• 1/6

• 2/5

• 1/5

Find the experimental probability:
Roll dice:  1, 3, 3, 4, 4
P(3) = 

• 3/5

• 1/6

• 2/5

• 1/3