In probability theory, the sum of an event (A) occurring and the same event NOT occurring (not A) is always -
Probability Opposite Events

Quiz
•
Mathematics
•
7th Grade
•
Hard
Anthony Clark
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
0
based on the sample space
variable
1
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following expressions would be used to calculate the complement of an event occurring?
P(event) - 1
P(event 1) x P(event 2)
P(event)/possible outcomes
1 - P(event)
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
P(A) + P(not A) = 1
True
False
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The likelihood that an event will NOT occur is known as its -
complement
sample space
opposite
trial
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Event A has a probability of 0.3. What is the probability of the complement of Event A?
30%
3/100
7/100
0.7
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
P(not A) =
*Remember to simplify.*
6/8
3/4
2/8
1/4
7.
DROPDOWN QUESTION
1 min • 1 pt
(a) are two events that together contain all of the outcomes in the sample space.
equally likely
simple event
Experiment
outcome
Complementary Events
probability
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