Answer:
9/10
Step-by-step explanation:
Answer:
99.8%
Step-by-step explanation:
Normal Distribution
Standard deviation σ
mean equal to 175 pounds
We should remember approximately values for intervals:
[μ - σ/2 : μ + σ/2] values spread 1σ up and down mean equal to 68.3 %
[μ - σ : μ + σ ] values spread 2σ up and down mean equal to 95.7 %
and finally
[μ - 1.5 σ : μ + 1.5 σ ] values spread 3σ up and down mean equal to 99.7
In our case we were asked porcentage between 4σ (40 kg) spread about mean
175 + 40 = 215
175 - 40 = 135
For that interval we should get 99.8% of values
Answer:
144
Step-by-step explanation:
720/5 = 144
Yes u can. It is very easy
If BD=DC that means triangle CDB is isosceles triangle and the measure of angles ∡CDB and ∡BCD is the same
∡CDB=∡BCD=70°The angles ∡ADB and ∡CDB are adjacent and suplementary angles
It means
∡ADB + ∡CDB = 180°
∡ADB = 180° - ∡CDB
∡ADB = 180° - 70°
<u>∡ADB = 110°</u>