Probability Making a Prediction
Quiz
•
Mathematics
•
7th Grade
•
Practice Problem
•
Hard
Standards-aligned
Anthony Clark
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
1 min • 1 pt
A shop owner finds that 20% of his customers pay with cash and the rest pay with a credit card. Which method could be used to simulate the different types of payment? Select all of the simulation methods that could be used to model this event.
a fair coin
A fair 6-sided number cube
a spinner with 5 equal sections
a spinner with 10 equal sections
a set of 75 chips in which 15 chips are black and the remainder are red
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Tags
CCSS.7.RP.A.3
3.
FILL IN THE BLANK QUESTION
1 min • 1 pt
A disc jockey plays a variety of music at public events. Each hour she plays 2 classic rock songs, 6 bluegrass songs, 5 popular songs, and 2 rap songs. What is the probability that the first song played will be a bluegrass song written as a percent?
4.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Daria chooses a paint color from 5 shades of blue, 2 shades of yellow, and 2 shades of purple to paint her room. She can choose either carpet or wood flooring. What is the probability of her choosing a shade of blue and carpet? (written as a simplified fraction)
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which spinner gives a better chance of success for the event: "Spinning any letter except C"?
Spinner 1
Spinner 2
Neither one can have a success
Both - they are equally likely
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
There are 25 counters in a bag: 6 red,
4 white, 7 blue, and 8 yellow. You choose one counter at random. Which color are you least likely to choose?
white
blue
red
yellow
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Lanie is buying a new kite. There are 5 red, 6 blue, 9 green, and 4 orange kites in the bin at the store. If each choice is equally likely, what is the theoretical probability that Lanie buys a blue kite?
1/4
1/3
3/4
4/1
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