Answer:
129
Step-by-step explanation:
Divide 1290 by 10 and you get 129
11x+2=68
-2 -2
11x=66
/11 /11
X=6
The normal rule to remember is 68-95-99.7, i.e. plus or minus three sigma corresponds to 99.7% of the probability. That leaves 0.3% in the two tails, or 0.15% in the tail above 3 sigma.
Answer: 0.15%
Answer:

Step-by-step explanation:
Given:
The equation is given as:

Therefore, the possible values of
are 2 and 
Answer:
Step-by-step explanation:
4x+2y<3
y<-2x + 