Question detail
answer-form check: a bag has 5 blue counters and 7 red counters. Find the probability of choosing a blue counter.
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Solving equations and inequalities
Question
- A. 0.417
- B. 5.417
- C. -4.583
- D. 0.834
Answer
The correct answer is 0.417.
Explanation
Use the worked steps as the check: the question intent fixes the answer as 0.417, and the final-answer line confirms 0.417.
Common mistake
Algebraic modelling common mistake 1
Writing a final answer without showing the method that justifies it. This can weaken answers for: [Higher only] Derive and solve two simultaneous equations from a contextual problem..
Show the method first, then give the final answer in the required form. Apply this directly to Algebraic modelling.
Related flashcards
Flashcard 1 of 5
Related practice questions
Question 1 of 5
Choose an answer, get feedback, then move sideways through the set.