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Administration of the large university wishes to evaluate what proportion of their full time engineering students are female. If she gets random sample of a 100 engineering students from day campus of which 30 students are female what would her confidence interval be if she requires the confidence level of 80%?

a) Determine the point estimate (p) for percentage of engineering students that are female?

b) Determine the suitable distribution (z or t)? and its numerical value is?

c) Determine the 80% Confidence Interval based upon above data?

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Category:- Statistics and Probability
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