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:
Answer:
c
Step-by-step explanation:
the formula is
When we plug that in we get 
Hope this helps!
Brian as 8 cards.
The fraction that show how many are baseball cards is 5/8, because 5 cards from the total amount are baseball cards. Good luck !
Answer:
b) 95
Step-by-step explanation:
equation:
3 x 30 + 5
solve:
3 x 30 + 5 = 95
Answer- 205 r13
Work: 9853/48, 205 13/48