Probability Test Day!

FRIDAY, MARCH 16TH

Warm Up1. If you roll a dice 60 times, how many times do you expect to roll a number less than 5

2. Choose Impossible, unlikely, as likely as not, likely, or certain to describe the probability of winning is .75

We are the Champions!!!

DICE LAB GRADES

T E

Compare & Contrast

CANDY TOSS REVIEW

What is the outcome in this experiment?

experiment?

Theoretical ProbabilityIf the letters from

“Champion” were put in a bag.

What is the probability that you would choose a vowel

from the bag?

Choose impossible, unlikely, as likely as not, likely or certain to describe landing on an

even number

Experimental ProbabilityThe more trials performed, the more ________________

the estimate will be.

Outcome FrequencyGreen 20Orange 5Purple 10Pink 2

An experiment consists of spinning a spinner. Use the results in the table to find

the experimental probability of the event.

What is the probability of the

spinner landing on Orange

What number of trials would get be

closer to the theoretical probability?

a. 5 trials b. 56 trialsc. 1 trials d. 50 trials

Predictions Take probability and __________ it by the

number of trials

Based on a survey, 80% of people claimed that they LOVE

the Packers. Out of 1,200 people, how many would you predict to LOVE the Packers?

FIVE ALIVE

1. What is the probability of rolling a number greater than 4 on a far number cube?

2. If you roll a number cube 24 times, how many times do you expect to roll a odd number

3. Choose impossible, unlikely, as likely as not, likely, or certain to describe the probability of predicting who is going to win the NCAA March Madness tournament

4. Murphy tossed a coin 50 times and it landed on tails 34 times. What is the experimental probability

5. If 25% of NGMS students took Orchestra and there’s 560 students. How many of them did not take orchestra

Predictions 1. 60% of households have a pet. If 2,300

people were surveyed, how many people have a pet?

2. If you roll a number cube 45 times, how many time would you expect to roll a

7?3. Based on a survey, only 10% of people

know say like Justin Bieber. How many people out of 400, would you expect

NOT TO LIKE Justin Bieber?

QUESTIONS?!?!

TEST•Please take out a sheet of paper •Please put your name on it •Title it “my proof paper” •Put only ANSWERS on the Test •Hand to me when you are done Take your time, you will all do

great!!!