Answer:
C
Step-by-step explanation:
Hey There so the first step of this problem is to find the formula for circumference

given some of the values we can form an equation to solve for the radius (r)

so we can conclude that the radius is equal to 5
Between 2000 and 2030 three decades will have gone by, which means the population will triple three times.

Therefore, the population of Bridgetown will be 675,000 people in 2030.
Answer:
(a)
and 
(b) The sample variance is
and the sample standard deviation is 
Step-by-step explanation:
(a)
The sum of these 17 sample observations is

and the sum of their squares is

(b)
The sample variance, denoted by
, is given by

where 
Applying the above formula we get that


The sample standard deviation, denoted by <em>s</em>, is the (positive) square root of the variance:

Applying the above formula we get that

Answer:
A. 5
Step-by-step explanation:
12 times 5 is 60 plus 10 is 70. 70 < 75