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Of 400 randomly selected medical students, 21 said that they planned to work in a rural...

Of 400 randomly selected medical students, 21 said that they planned to work in a
rural community. Find a 95% confidence interval for the true proportion of all
medical students who plan to work in a rural community
Math   Statistics-And-Probability   
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Answer #1

Refer Standard normal table/Z-table or use excel function "=NORM.S.INV((1-0.025))" to find the Z-value.

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