Which of the following is an arithmetic sequence?
n
O
1
-1
WN
3 4.
-3 1-1
an
n
O
1
2
2
-2
3 4
-6-10
an
n
o
1
3
2
6
3
9
4.
15
an
n
1
4
O
1 4
2
14
3 4
24 32
an
Which is the correct excel formula for the 80th percentile of a distribution that is n(475, 33)? =norm. dist(80,475,33,1) =norm. inv(0.80,475,33) =norm. s.inv((80-475)/33)?