Afair coin is tossed 100,000 times. the number of heads is recorded. what is the probability that there are between 49,800 and 50,200 heads?

Trang is planting shrubs beside the highway for his job. he needs to plant 500 shrubs this week. he planted 84 shrubs on monday, 92 shrubs on tuesday, 87 shrubs on wednesday, and 104 shrubs on thursday. how many shrubs does trang need to plant on friday to finish the job?