Answer:
the first one
Step-by-step explanation:
the answer is the first one
6
sorry it's late but hopefully it can help someone else
The correct is 40 hope I helped
Answer:
c
Step-by-step explanation:
so you can get the attention and intrest them in your speech
Answer:
0.683
Step-by-step explanation:
We have to find P(-1<z<1).
For this purpose, we use normal distribution area table
P(-1<z<1)=P(-1<z<0)+(0<z<1)
Using normal area table and looking the value corresponds to 1.0, we get
P(-1<z<1)=0.3413+0.3413
P(-1<z<1)=0.6826
Rounding the answer to three decimal places
P(-1<z<1)=0.683
So, 68.3% of the z-scores will be between -1 an 1.
