Likelihood & Probability
Which of these statements is best described as "impossible"?
You roll an even number on a standard six dash sided number cube.
The moon will set in the west tomorrow.
You flip a fair coin and get 30 tails in a row.
You find two parallel lines that intersect.
What is you find two parallel lines that intersect?
There are three groups left to present their final projects. The groups are listed alphabetically from Group J to Group L.
The teacher will choose one group at random to present their project. List all the outcomes in this sample space for this action.
What is group J, group K, and group L?
4 wedges on a spinner numbered 1-4.
1) 14 times. 2) 10 times. 3) 18 times. 4) 8 times.
Experimental probability of landing on a 2.
What is 1/5?
On a regular, six sided cube, what's the probability you roll a number as a fraction?
What is 1/6?
The probability the elastic band you choose is yellow is P(yellow)equals=0.5. Write this probability as a percent and a fraction.
What is 50% and 1/2?
You roll a regular, six sided dice. What's the sample space?
What is 1,2,3,4,5,6?
Rolls a number cube 80 times. Here are the results:
1) 14. 4) 12.
2) 8. 5) 10.
3) 16. 6) 20.
What's the probability you roll a number greater than 3 as a simplified fraction?
42/80 = 21/40
On a spinner with 5 wedges, what's the probability that it could land on a wedge?
What is 1/5?
Based on the records for the past several seasons, a sports fan believes the probability the red team wins is 0.65. The fan also believes the probability the blue team wins is .60. In a season with 140 games, how many more games should the fan expect the red team to win over the blue team?
Jane likes comedies, Kim likes fantasies, Jason likes thrillers, Sara likes horror films, and Kat likes comedies.
How many friends would be in the sample space of friends who like comedies?
What is 2?
Explain experimental probability.
Probability that comes from experiments.
The probability that a student wins the Perfect Attendance Award in a state is 1/52,000. Is this theoretical or experimental?
Likelihood that half of the 28 students in a class have the same birthday.
a) Certain b) as likely as not. c) unlikely
d) impossible
What is unlikely?
Roll a 6.
Roll the number cube.
1,2,3,4,5,6.
Which is the action, event, and sample space?
Roll a 6 - event
Roll the number cube - action
1,2,3,4,5,6 - sample space
Results of spinning a spinner:
1) 5. 2) 5. 3) 6. 4) 5. 5) 7.
Probability you spin a number less than or equal to 4 as a decimal.
What is 21/28 = .75?
Explain theoretical probability.
Probability that should happen in a perfect world
The probability of parents passing on a particular trait to their child is 0.78.
Write this probability as a percent and a simplified fraction.
What is 78% and 39/50?
There's a spinner number 1-6. What is the sample space of the spinner landing on an odd number?
What is 1,3,5?
Restaurant Menu and number of customers:
Baked potato - 95
steamed broccoli - 60
asparagus - 59
sweet potato - 160
The experimental probability that a customer prefers a baked potato or asparagus as a percentage.
What 154/374 = 41%?
With 2 dice, what's the probability I roll a 12?
1/6 * 1/6 = 1/36