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WorksheetsIntro to Algebra Chapter 10
Total questions: 25
Worksheet time: 46mins
Name
Class
Date
1.
What SHOULD happen is
a)
Experimental probability
b)
Theoretical probability
2.
What ACTUALLY happens is
a)
Experimental probability
b)
Theoretical probability
3.
The objective of this Quizizz is:
a)
I can add numbers
b)
I can solve probability questions
c)
I can select colors
d)
I can roll the dice
4.
A manufacturer inspects 50 computer monitors and finds that 45 have no defects. Use this information for questions 1 and 2. If the manufacturer sells 20,000 computer monitors, predict the number that have no defects.
a)
1000
b)
2000
c)
9000
d)
18,000
5.
A manufacturer inspects 50 computer monitors and finds that 45 have no defects. Use this information for questions 1 and 2. What is the experimental probability that a monitor chosen at random has
no defects?
no defects?
a)
5%
b)
10%
c)
45%
d)
90%
6.
A bag contains 5 quarters, 2 dimes, and 4 pennies. What is the probability of picking a quarter?
a)
5/11
b)
5/6
c)
1/3
d)
5
7.
When would you use a sample to collect data?
a)
Always
b)
Never
c)
When a small portion of the population can represent the whole
8.
What is the Favorable Outcome
a)
All of the Outcomes
b)
What Will Happen
c)
What Can Happen
d)
What I want to Happen
9.
A dice (numbered 1-6) is rolled 20 times. How many times will a number less than 4 show?
a)
5
b)
10
c)
15
d)
Never
10.
What is the probability of flipping a coin and getting heads?
a)
1/2
b)
1/3
c)
1/4
d)
Never, Tails never fails.
11.
A bag has 3 red marbles, 2 blue and 4 yellow. What is the theoretical probability of pulling a red?
a)
3/10
b)
3/9
c)
1/9
d)
1/3
12.
What is the probability of selecting an orange candy?
a)
0%
b)
25%
c)
50%
d)
100%
13.
What is the probability of selecting a cherry piece?
a)
3/12
b)
12/12
c)
5/12
d)
50%
14.
What is the probability of spinning a shade of blue?
a)
1/5
b)
2/5
c)
3/5
d)
4/6
15.
What is the probability of spinning a red if we spin 30 times?
a)
1/5
b)
1/30
c)
3/30
d)
1/10
16.
Theoretically, what is the probability of rolling a sum of one with a pair of dice?
a)
0
b)
1/6
c)
1/12
d)
1/36
17.
Theoretically, what is the probability of rolling a sum of 10 with a pair of dice?
a)
1/4
b)
3/12
c)
1/12
d)
3/36
18.
Theoretically, what is the probability of rolling a sum of two with a pair of dice?
a)
1/6
b)
2/12
c)
1/36
d)
1/18
19.
What is the probability of spinning a number less than 5?
a)
16 2/3%
b)
33 1/3 %
c)
66 2/3%
d)
83 1/3%
20.
What is the probability of spinning an even number?
a)
16 2/3%
b)
33 1/3%
c)
50%
d)
75%
21.
Courtney has a 50% chance to flip a coin and get heads
a)
Experimental Probability
b)
Theoretical Probability
22.
A school randomly chose ten English teachers and asked them which type of juice their students would prefer. Which reason best shows why this sample is biased?
a)
The sample didn't include students.
b)
The sample is too small.
c)
The sample can only be accurate if each teacher is included in the sample
23.
At a middle school, the 7th graders will conduct a survey for where to go on a field trip. Which method will result in the least biased decision?
a)
to randomly ask 8th grade students who went on a field trip last year
b)
to randomly choose some 7th grade students to select a location
c)
to ask all 7th grade teachers and administrators for a location
d)
to ask the student council to choose a location
24.
Marcos wants to find out how many students at his school like to go to the movies. Which survey method is likely to produce a representative survey?
a)
Ask the boys in the boys locker room.
b)
Ask the 25 students in his homeroom class.
c)
Ask students coming out of a movie theater.
d)
Ask half of the 34 students on the soccer team.
25.
Mrs. Croix is conducting a survey to find out the favorite snack of fifth and sixth graders. She will ask a sample of 100 students. Which of the groups below should be surveyed to get the BEST representative sample?
a)
100 students at the movie theater
b)
the first 100 students who go to a local baseball game
c)
5 students from each of the 20 local elementary schools
d)
20 students from each of the 5 local fifth- and sixth-grade schools
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