Answer:
Step-by-step explanation:
<u>Given:</u>
<u>Find z-score:</u>
- z = (x - μ)/σ
- z = (104 - 80)/12 = 2
Percent value corresponding to 2 as per z-table is 0.9772. This is corresponding to 97.72%.
<u>Percentage of students earned more than $104:</u>
Answer:
A variable is a quantity that may change within the context of a mathematical problem or experiment. Typically, we use a single letter to represent a variable. The letters x, y, and z are common generic symbols used for variables.
Step-by-step explanation:
in other words is like x,y,z or any other letters
Answer: its AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
It’d be 2
250 ÷20= 12.5
25 ÷2=12.5
I hope this helps you
f (x)=x^2-10x+25-29
f (x)=(x-5)^2-29
vertex (-(-5), -29)
vertex (5,-29)