The lecturer claims that average percentage pass mark of a subject is 60% and the Head of Department is skeptic with this claim. To verify this claim the Head of Department sampled 76 scripts and discovered that 48 scripts were above the 60% mark. REQUIRED: Conduct a hypothesis to test this claim at 1% significance level.
closed as off-topic by kjetil b halvorsen, Peter Flom♦ Nov 5 '18 at 11:08
This question appears to be off-topic. The users who voted to close gave this specific reason:
- "Self-study questions (including textbook exercises, old exam papers, and homework) that seek to understand the concepts are welcome, but those that demand a solution need to indicate clearly at what step help or advice are needed. For help writing a good self-study question, please visit the meta pages." – kjetil b halvorsen, Peter Flom