Answer: ? = 24/2 <em>or </em>12
Step-by-step explanation:
See answer above :)
You have to divide both sides by 5 because it states"5t" and you should get "t=20"
Answer: The second option.
Step-by-step explanation:
By the end of the 7 days you will have collected $100,000 but if you choose the first option you'd only end up with $17,000.
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