So, the probability that Alex picked a red pen is 0.3 or 30%.
What is the probability that both marbles are red?
Based on the probabilities calculated, Detective Emily concluded that there was a 40% chance that Alex picked a blue pen, and a 30% chance that Alex picked a red or black pen. Although the calculations didn't provide definitive proof, they helped Detective Emily to make an informed decision about Alex's involvement in the case. Secondary Math 2 Module 9 Probability 9.4 Answers
. Below are the key concepts and worked-out examples typically found in this section. Core Probability Concepts in 9.4 Addition Rule : The probability of event A B occurring is given by:
A bag contains 5 red marbles, 3 blue marbles, and 2 green marbles. If a marble is randomly selected, what is the probability that it is blue? So, the probability that Alex picked a red pen is 0
In the "Set" section, you are asked to translate data between different formats like Venn diagrams, tree diagrams, and two-way tables.
This section often focuses on the arithmetic needed for probability, such as multiplying and dividing fractions to find products of probabilities. : Finding the product of given specific fractions. Core Probability Concepts in 9
Compare ( P(\textSleep <7 | \textPhone) = 0.60 ) with ( P(\textSleep <7) ).
: Events that cannot happen at the same time (e.g., being a "boy" and a "girl" in certain data sets). For these events, Worked Example: Titanic Data
A and formulas for the key topics like Independent Events ?
PROBABILITY-9.1 - 9.4 Visualizing with Venn - mrs. adkins' math