Respuesta :
The other possibilities include that she chooses at least one book that is not a mystery; this means the complement is not choosing all mysteries.
What is the probability?
Probability refers to a possibility that deals with the occurrence of random events. The probability of all the events occurring need to be 1.
The formula of probability is defined as the ratio of a number of favorable outcomes to the total number of outcomes.
P(E) = Number of favorable outcomes / total number of outcomes
Mariah is randomly choosing three books to read from the following: 5 mysteries, 7 biographies, and 8 science fiction novels.
The complement of an event is the remaining possibilities.
Our event is Mariah choosing 3 mysteries.
The other possibilities include that she chooses at least one book that is not a mystery; this means the complement is not choosing all mysteries.
Learn more about probability here;
https://brainly.com/question/11234923
Answer:
Options:
A- There are 20C3 possible ways to choose three books to read.
B- There are 5C3 possible ways to choose three mysteries to read.
E- The probability that Mariah will not choose all mysteries can be expressed as 1 − StartFraction 5 C 3 Over 20 C 3 EndFraction.
Step-by-step explanation: