Describe the likelihood. The probability of picking a green m&m randomly from a bag of m&ms is 1/6.
Unlikely
Find the theoretical probability of picking a red marble. (Write your answer as a fraction in simplest form)
1/4
You roll a 6-sided die. What's the probability of NOT rolling a 3? (Write your answer as a fraction in simplest form)
5/6
You roll a 6-sided die. What's the theoretical probability of rolling a number less than 3? (Write your answer as a fraction in simplest form).
1/3
Identify the sample and the population
150 quarters - SAMPLE
All the quarters in circulation - POPULATION
What's the probability you'll land on red or yellow?
1/2
You spin a spinner 50 times. What's the experimental probability of spinning a 4 or 5? (Write your answer as a fraction in simplest form)
2/5
You want to know the favorite extracurricular activity of students at your school. Determine if the following samples are biased or unbiased. Explain
a) You ask every 8th person that enters the school
b) You ask all the students at a skatepark
c) You ask 4 people in your 5th period class
a) Unbiased. Large sample and representative
b) Biased. Large sample, but not representative
c) Biased. Small sample, undetermined if representative
The rules of a contest say that there is a 1/8 chance of winning a prize. 968 people enter the contest. Predict how many people will win a prize.
121 people
By request of Juliet and Madalyn in Period 3
You survey 500 people in town about if they want a new power plant or not. Predict how many people in the town want a power plant if there are 60,500 residents total.
8,470 Residents
*CHALLENGE* You flip two coins. What's the probability that both will land on heads?
1/4
The theoretical probability of students having the same birthday is 1/23. If there are 414 students in a school, how many do you expect to have the same birthday?
18 students
You ask 75 students how many movies they watch per week. There are 900 students at the school. Predict how many watch 0 movies per week.
360 students