Answer:
Mean or Expected Value:
μ
=
∑
x
i
n
X
x
P
(
x
)
Standard Deviation:
σ
=
√
∑
x
i
n
X
(
x
−
μ
)
2
P
(
x
)
Step-by-step explanation:
7 + 18 = 25
25 ÷ 7 = 3.5714285714285714285
so 3.5714285714285714285 is the answer
Answer:
took the test and its 0.5
Step-by-step explanation:
.
Answer:
see below
Step-by-step explanation:
24 - 3 x = -27
Subtract 24 from each side
24-24 - 3 x = -27-24
-3x =-51
Divide each side by -3
-3x/-3 = -51/-3
x = 17
Check
24 -3(17) = -27
24 -51 = -27
-27 = -27
