Mathematics, 18.03.2021 01:10 kkbrookly7496

An article in Engineering Horizons (Spring 1990, p. 26) reported that 117 of 484 new engineering graduates were planning to continue studying for an advanced degree. Consider this as a random sample of the 1990 graduating class. Round your answers to 3 decimal places. Required:
a. Find a 90% confidence interval on the proportion of such graduates planning to continue their education.
b. Find a 95% confidence interval on the proportion of such graduates planning to continue their education.

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An article in Engineering Horizons (Spring 1990, p. 26) reported that 117 of 484 new engineering gra...