Experimental Probability (OK7)

Theoretical Probability is ______

• probability based on data from an experiment

• probability based on reasoning apart from any experimenting

• always the same as experimental probability

• the total number of possible outcomes

Which of these is the same as RELATIVE FREQUENCY?

• Experimental Probability

• Theoretical Probability

• Relative Probability

• all of the above

Experimental probability is the most reliable and useful for making predictions when the number of trials is ______

• small

• large

• exactly 100

• equal to the total number of possible outcomes

A company makes graphing calculators. The manager tests 500 of the calculators and finds that 5 of them are defective. What is the experimental probability that calculators made by this company are NOT defective?

• 495/500 (99%)

• 5/500 (1%)

• 95%

• 5%

You designed a ping pong ball launcher and tested its accuracy by attempting to launch ping pong balls into a bucket stationed 12 feet away. You miss 40 times out of 250 trials. What is the (experimental) probability that you DON'T miss on your next shot?

• 16%

• 84%

• 14%

• 86%

How many times was the cube rolled in total?

What is the THEORETICAL probability of rolling a one on a standard number cube?

• 1/4 (25%)

• 1/6 (17%)

• 8/36 (22%)

• 1/3 (33%)

What was the EXPERIMENTAL probability of how many times a one was actually rolled, using the table?

• 1/4 (25%)

• 1/6 (17%)

• 8/36 (22%)

• 1/3 (33%)

What is the THEORETICAL probability that an even number will be rolled on a number cube?

• 16/36 (44%)

• 15/36 (42%)

• 3/6 (50%)

• 2/6 (33%)

What was the RELATIVE FREQUENCY of how many times an even number was actually rolled?

• 16/36 (44%)

• 15/36 (42%)

• 21/36 (58%)

• 18/36 (50%)