Experimental Probability Mini-Quiz

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.

Identify the situation as involving experimental or theoretical probability:

You believe a coin may be unfair, since you have flipped it 100 times and it has landed on heads 97 of them.

• Experimental

• Theoretical

Identify the situation as involving experimental or theoretical probability:

There is a 0.50 probability of getting heads on a fair coin.

• Experimental

• Theoretical

Identify the situation as involving experimental or theoretical probability:

An opaque bag contains ten yellow and six blue marbles. You pull five blue marbles in six attempts.

• Experimental

• Theoretical

Identify the situation as involving experimental or theoretical probability:

You pull and replace one marble from an opaque bag containing 10 marbles of unknown colors. After 100 repetition, yielding 80 red and 20 blue marbles, you determine there must be 8 red and 2 blue marbles in the bag.

• Experimental

• Theoretical

Would you have to do a test (or get more real world information some other way) to find the experimental probability for:

Guessing the right answer on a multiple choice question.

• Yes

• No

Identify the situation as involving experimental or theoretical probability:

You count the shoppers leaving a mall and determine there are three male shoppers for each four female shoppers.

• Experimental

• Theoretical

Would you have to do a test (or get more real world information some other way) to find the experimental probability for:

Pulling a nickel from your pocket when you know you have ten coins in your pocket but cant remember what they are.

• Yes

• No

Would you have to do a test (or get more real world information some other way) to find the experimental probability for:

Getting a perfect score on a twenty-question multiple choice test.

• Yes

• No

Solve the problem:

A spinner has five sections: purple, yellow, green, blue and red.

Find the probability for the arrow landing on red or green on the spinner.

A)List each favorable outcome

B)Count the number of favorable outcomes

C)Write the total number of outcomes

D) Write the probability

• a)red,green b) 5 out of 5

  c)5

  d)2/5

• a) red,green b) 4 out of 5

  c)5

  d)2/5

• a) red,green b)3 out of 5

  c)5

  d) 2/5

• a)red,green b)2 out of 5

  c)5

  d)2/5