Elga's age is 50, and Alvin's age is 56. So, the sum of their ages is 106.
Answer:
5 and 6
Step-by-step explanation:
Because 35 is between 25 and 36.
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: