Answer:
Take deep breaths and focus, don't be afraid to ask for help.
Good luck!
The answer is 1/500 because it will always be the probability of the event occurring/total events
The percentage change is 20%
<em>Look</em><em> </em><em>at</em><em> </em><em>the</em><em> </em><em>attached</em><em> </em><em>picture</em><em>⤴</em>
<em>Hope</em><em> </em><em>this</em><em> </em><em>will</em><em> </em><em>help</em><em> </em><em>u</em><em>.</em><em>.</em>