Identify the source of bias in the examples below. Explain your answers. 13. Nate’s college class is asked to fill out a teacher evaluation and each paper has a different number at the top. He is nervous about giving negative feedback because his answers might be traceable back to him.

Which of the symbols correctly relates the two numbers below check all that apply 6? 6

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?

Se tiene en una caja de canicas 10, 4 blancas y 6 negras ¿cual es la probabilidad que en 2 extracciones con reemplazo sean blancas? ¿cual es la probalidad que en 2 extracciones sin reemplazo sean negras?