"consider the hospital emergency room data displayed below. let a denote the event that a visit is to hospital 4, and let b denote the event that a visit results in lwbs (at any hospital). determine the following probabilities. round to three decimal places. a) p( a and b )b) p(a')c) p( a u b)d) p(a u b)e) p(a' and b')table: 1 2 3 4total 5297 6993 5638 4343 22271 lwbs 199 277 249 249 974 admitted 1274 1550 662 987 4473 not admitted 3824 5166 4727 3107 16824

To which set of numbers does the number –5 belong? select all that apply. integers natural numbers rational numbers real numbers whole numbers

Each person in an it department of 25 people works on at least one of 3 major projects: system security, program implementation, platform development. 10 people work on system security, 13 work on program implementation, and 12 work on platform development. 4 people work on system security and platform development, 5 people work on program implementation and platform development, and 2 people work on all three projects. how many people work on system security and program implementation?

Aschool had an election where the candidates received votes in the ratio 1: 2: 3. if the winning candidate received 210 votes, how many total people voted in the election?