Resources For Teachers For Tutors For Students & Parents Pricing
Year 12 Methods (Unit 3 & 4) The normal distribution

Standardisation

ACCOUNT REQUIRED

Unlock all 22 questions & worked solutions

You're viewing a free preview. Create an account to access the complete question set, step-by-step solutions, and progress tracking.

All Questions

Access the full question set for every topic.

Worked Solutions

Step-by-step explanations for every answer.

Track Progress

Mark questions right or wrong and monitor your growth.

It's Free

No credit card required - sign up in under a minute.

Question 1
16321

Scores in a class test are normally distributed with a mean of 55 and a standard deviation of 10. Given this then 68% of the scores must lie between?

45 \(\le \) x \(\le \) 65

📚 Want More Questions?

There are 21 more questions available. Create your free account to access the complete question set with detailed solutions.