Secondary Math 2 Module 9 Probability 9.4 Answers -

So, the probability that Alex picked a black pen is 0.3 or 30%.

Probability (blue pen) = 8/20 = 2/5 = 0.4 Secondary Math 2 Module 9 Probability 9.4 Answers

Detective Emily wasn't sure if she believed Alex, so she decided to calculate the probability of Alex picking a pen of a specific color. So, the probability that Alex picked a black pen is 0

One day, while investigating, Detective Emily stumbled upon a suspicious-looking student, Alex, who was seen near the math department around the time the pens went missing. When questioned, Alex claimed to have only taken a pen randomly from the department. Secondary Math 2 Module 9 Probability 9.4 Answers

Now, try working on some practice problems for Secondary Math 2 Module 9 Probability 9.4 to reinforce your understanding of probability concepts.

Probability (black pen) = 6/20 = 3/10 = 0.3