2/25 Probability

Quiz
•
Mathematics
•
9th - 12th Grade
•
Easy
+3
Standards-aligned
Courtney VanRoten
Used 2+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Probability is defined as:
The measure of determining all possible outcomes of an event.
The measure of how likely an event is to occur.
The determination of the number of favorable outcomes of an event.
The determination if an event will occur.
Answer explanation
Probability is the measure of how likely an event is to occur.
Tags
CCSS.7.SP.C.5
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
The set of all possible outcomes is called
Likelihood
Probability
The sample space
Ratio
Answer explanation
The set of all possible outcomes is called the sample space.
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
For equally likely outcomes, the theoretical probability of an event is the ratio of
The number of favorable events to the total number of outcomes possible.
The number of outcomes possible to the number of favorable events.
Answer explanation
For equally like outcomes, the theoretical probability of an event, P(E), is the ratio of the number of favorable outcomes t the total number of outcomes possible.
Tags
CCSS.7.SP.C.7A
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
A letter in the word 'MATH' is randomly selected. What is the probability of selecting a vowel?
Answer explanation
The favorable outcome would be to select a vowel (a). There are four letters in the word math so there are four possible outcomes (m,a,t,h). Therefore, the probability of selecting a vowel is 1/4.
Tags
CCSS.7.SP.C.7B
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
A jar contains 7 purple marbles and 12 blue marbles. What is the probability that a randomly selected marble is purple?
Answer explanation
The favorable outcome would be to select a purple marble. There are 7 purple marbles. There are 19 marbles in total (7+12) therefore there are 19 possible outcomes. The probability of choosing a purple marble is 7/19.
Tags
CCSS.7.SP.C.7B
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
The complement of an event is...
The sample space.
The probability of multiple events happening.
The probability of an event happening.
The probability of an event NOT happening.
Answer explanation
The complement of an event is the probability of an event NOT happening.
Tags
CCSS.HSS.CP.A.1
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
A letter in the word 'MATH' is randomly selected. What is the probability that you will NOT select a vowel?
Answer explanation
The favorable outcome would be to select a vowel (a). There are four letters in the word math so there are four possible outcomes (m,a,t,h). Therefore, the probability of selecting a vowel is 1/4. This question asks for the complement of that event. Therefore the complement is 1 - 1/4 or 3/4.
Tags
CCSS.HSS.CP.B.7
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