Complete the simulation below, which samples num_changes increases/decreases at random many times and forms an empirical distribution of your test statistic under the null hypothesis. your job is to fill in the function simulate_under_null, which simulates a single sample under the null hypothesis, and fill in its argument when it's called below.

In this lab, you complete a python program that calculates an employee's annual bonus. input is an employee's first name, last name, salary, and numeric performance rating. if the rating is 1, 2, or 3, the bonus rate used is .25, .15, or .1 respectively. if the rating is 4 or higher, the rate is 0. the employee bonus is calculated by multiplying the bonus rate by the annual salary.

Which network media uses different regions of the electromagnetic spectrum to transmit signals through air? uses different regions of the electromagnetic spectrum to transmit signals through air.

Effective character encoding requires standardized code. compatible browsers. common languages. identical operating systems.