Answer:
36.2
Step-by-step explanation:
144.8/4 = 36.2
Answer:
.2427
Step-by-step explanation:
If you don't need to show your work:
TI84 calculator:[2nd][vars][normalcdf][lower:2000][upper:2500][μ:1800][σ:300}[enter][enter]
its expanded form is 400+80+5