Answer:
-2.20 < z < 2.20
Step-by-step explanation:
You are saying the entire area = 0.9722
so 1 - 0.9722 = 0.0278
then we want it to fit in the middle of the normal curve with center 0
so...
0.0278/2 =0.0139 this corresponds to 2.20 on the z-score chart
Answer:
10
Step-by-step explanation:
Just multiply the 5 to the 10 and -8
50-40
10
Answer:
Step-by-step explanation:
Given
Zions has legs
And zepts has legs
Nico counted legs in total
Therefore total no of legs must be the sum of the legs of Zions and zepts
Suppose there are no of Zions and no of zepts
therefore total no of legs is given by
The set of and which satisfy the above equation is
Thus there are three possible answer
Answer:
i think the answer is 25 but im not sure
Step-by-step explanation:
what i did is 49-4 then i took 21 and added 4 and i got 25