Secondary Math 2 Module 9 Probability 9.4 Answers -

Probability (blue pen) = 8/20 = 2/5 = 0.4

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

So, the probability that Alex picked a black pen is 0.3 or 30%. Probability (blue pen) = 8/20 = 2/5 = 0