Answer:


Step-by-step explanation:
The given parameters can be represented as:

Solving (a): P(x < 3)
This is calculated as:
----- i.e. all probabilities less than 3
So, we have:


Solving (b): Expected number of events
This is calculated as:

So, we have:



Express as decimal

Approximate to the nearest integer

Answer:
negative
Step-by-step explanation:
♪\(*^▽^*)/\(*^▽^*)/
Answer:
y = 9/5 x -4
Step-by-step explanation:
first find slope or m
slope is change in y over the change in x
-4-5/0-5 =-9/-5 = 9/5
the (0, -4) is the y intercept or b