SP.5 (Likelihood)
A probability of 0.5 has this likelihood.
Neither likely nor unlikely
OR
Equally likely
What is the probability of rolling an odd number OR a 4 on a number cube?
4/6 or 2/3 or 0.6 repeating
You are getting lunch from the cafeteria. You can choose:
Soup or Sandwich
Chips or Veggies
Pudding, Ice Cream, or Fruit
What is the probability you will choose a sandwich with chips and fruit?
1/12
A shelter has 4 birds, 5 cats, and 6 dogs. What is the probability that the 5 cats are the first 5 animals adopted?
Hint: remember after each animal is adopted, the probabilities change!
1/3003
Which fractions could represent probabilities?
a) 1/2
b) -3/4
c) 5/3
d) 3/101
e) 2/3
A, D, E
What is the probability of getting an oatmeal raisin cookie?
167 chocolate chip
285 peanut butter
56 oatmeal raisin
56/508 or 14/127
The soccer team has new jerseys numbered 5-30. What is the probability a player will get the number 7 or 13?
2/26 = 1/13
You are figuring out what to wear to school. You can wear a red, green, blue, or orange shirt. You can choose a white, black, or brown jacket. What is the probability you will choose a green shirt with either a black or brown jacket?
1/6
An English class has 8 female students. Our of a total of 32 students in the class, what is the probability of randomly selecting a male student?
3/4 or 0.75 or 75%
Christian put 13 scrabble letters in a bag. He picks one without looking. What is the probability he picks a vowel?
c o n q u i s t a d o r s
5/13
A spinner has four sections with the following probabilities:
1/2, 1/4, 1/8, 1/16
Does this make a complete probability model?
No; those probabilities add up to 15/16, and a complete model needs to add up to 1 (16/16).
There are 6 students working together on a problem. Their teacher tells them to split up into pairs. How many pairs are possible?
15 combinations
Mrs. Purvis has 8 black cats and 3 white cats. She randomly picks one up to pet it. What color cat is she more likely to pick up? What is that color's probability?
Black; 8/11
A six-sided die is rolled 30 times and the number 2 comes up 6 times. How does the experimental probability compare to the theoretical probability?
The number 2 came up 1 more time than expected
Based on the following information, what is the probability the class will miss less than 2 questions?
0 missed - 15%
1 missed - 32%
2 missed - 29%
3 missed - 24%
47%
You have 5 pictures of your family and friends in five different colored frames (blue, green, yellow, orange, red). You know you want the green frame to come first and the yellow frame to be last. How many line orders are possible?
6
What is the likelihood of each of these events?
a) 0.27
b) 0.63
c) 0
d) 0.5
e) 1.0
a- unlikely
b- likely
c- impossible
d- equally likely
e- certain
A box has 3 green marbles and 7 purple marbles. If you take one out and put it back 200 times, how many times can we expect to pull out each color?
60 green and 140 purple
What is the probability a student will miss at least 1 question?
0 missed - 15%
1 missed - 32%
2 missed - 29%
3 missed - 24%
85%
About 4 out of 5 students have a sibling. You are running a simulation to see how many students have a sibling out of a class of 21. The numbers 0-3 represent a student having a sibling, and the number 4 represents a student not having a sibling. Based on the following results, how many students in a school of 210 should have a sibling?
0 4 0 0 3 3 1
4 2 3 3 1 0 2
0 3 2 3 3 3 0
190