CEE 110 PS1 11 solutions

# CEE 110 PS1 11 solutions - UNIVERSITY OF CALIFORNIA LOS...

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Civil and Environmental Engineering Department CEE 110 Introduction to Probability and Statistics for Engineers Spring Quarter 2011 M-W 12-2 PM Franz 1178 Prof. K. D. Stolzenbach 5732J Boelter Hall, 206-7624 Problem Set 1 Solutions ___________________________________________________________________________ 1. 2. a) 1284 applicants were admitted out of a total of 3014 applicants. 1284/3014=42.6% b) 1022 of 2165 (47.2%) of males were admitted. 262 of 849 (30.9%) of females were admitted. c) Since there are four comparisons to make, the table below organizes the percentages of males and females accepted in each program. Females are accepted at a higher rate in every program. d) The comparison of acceptance rate within each program is most valid. The overall percentage is an unfair average. It fails to take the different numbers of applicants and different acceptance rates of each program. Women tended to apply to the programs in which gaining acceptance was difficult for everyone. This is an example of Simpson’s Paradox.

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CEE 110 PS1 11 solutions - UNIVERSITY OF CALIFORNIA LOS...

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