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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.

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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
If this question can be reworded to fit the rules in the help center, please edit the question.

  • $\begingroup$ This sounds like a homework problem. How about you tell us your ideas first and where you are getting stuck? $\endgroup$ – Denziloe Aug 22 '18 at 23:14