The NJ state education department finds that in a random sample of 100 persons who attended college,

Discussion in 'Calculator Requests' started by math_celebrity, Jan 7, 2017.

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  1. math_celebrity

    math_celebrity Administrator Staff Member

    The NJ state education department finds that in a random sample of 100 persons who attended college, 40 received a college degree. What's the 95% confidence interval for the proportion of college graduates out of all the persons who attended college?

    Proportion Confidence Interval Test
    0.304 < p < 0.496 --> 30.4% < p < 49.6%
     
    math_celebrity, Jan 7, 2017
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