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

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  • $\begingroup$ 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