Assume the number of cars in line, y, at a bank's drive through window has the given probability distribution:
|
Cars in Line
y
|
Probability
P(y)
|
|
0
|
0.111
|
|
1
|
0.124
|
|
2
|
0.224
|
|
3
|
0.127
|
|
4
|
0.190
|
|
5
|
0.119
|
|
6
|
0.105
|
|
1.000
|
a) Find P(2) =
b) Find P(5) =
c) Find P(2 or 3) =
d) Find P(y < 3) =
e) Find P(y is at most 4) =
f) Find P(y is at least 1) =