Answer:
n = -2
Step-by-step explanation:
6n = 2n-8
4n = -8
n = -2
Answer:
a) 0.01111
b) 0.4679
c) 0.33747
Step-by-step explanation:
We are given the following in the question:
The number of accidents per week can be treated as a Poisson distribution.
Mean number of accidents per week = 4.5

Formula:
a) No accidents occur in one week.
b) 5 or more accidents occur in a week.

c) One accident occurs today.
The mean number of accidents per day is given by

Answer:
h = 9 ft
Step-by-step explanation:
Assume the diagram is like the one below.
∆ABD is a right triangle.
We can use Pythagoras' Theorem to find the height h.

Answer:
c
Step-by-step explanation: