I need help with a statistics problem

An instructor has found that grades on the final exam for a course are normally distributed with a mean of 63 (out of 100) and a standard deviation of 11.5. The pass mark for the exam is 50.

The exam consists of 24 multiple-choice questions, each with 3 possible answers of which only 1 is correct.

Part 1 – How many students in a typical class of 30 would you expect to fail?

Part 2 – A student knows the answer to 12 of the questions, but has to guess at the other 12. What’s the probability that this student ends up in the top 10% of the class?

"You need a similar assignment done from scratch? Our qualified writers will help you with a guaranteed AI-free & plagiarism-free A+ quality paper, Confidentiality, Timely delivery & Livechat/phone Support.

Discount Code: CIPD30

Click ORDER NOW..

Top cipd assignment help

Our CIPD TUTORS possess the necessary qualifications to produce high-caliber papers across all CIPD levels, including levels 3, 5, and 7. If you require assistance with your human resource management or learning and development papers, you have come to the right place.

Additionally, we provide support for other short course subjects, such as Organizational Development and Design, Employment Law and Employee Relations, Reward Management, as well as Leadership, Management, and Business Skills.

Cheap CIPD Assignment Help

All CIPD Level 3, 5, and 7 courses are unique and cater to individuals at different stages of their careers.

CIPD Level 3, also known as the Foundation Level, provides a strong foundation in L&D and HR for those with limited experience in the field.

CIPD Level 5 is an intermediate qualification equivalent to achieving Associate Membership of the CIPD.

CIPD Level 7 is the Advanced Level of CIPD, allowing individuals to attain the prestigious Chartered Fellow status.