An investor plans to invest $500 a year and expects to get a 10.5% return. If the investor makes these contributions at the end
1 answer:
You might be interested in
<h2>Answer: -1.469</h2>
This trigonometric function can be written as:
(1)
Firstly, we have to solve the inner parenthesis:
(2)
Substituting (2) in (1):
(4)
Finally we obtain the value:
Answer:
The correct option is 1.148 < σ < 6.015
Explanation:
The 99% confidence interval for the standard deviation is given below:
Where:
Therefore, the 99% confidence interval is:
Therefore, the option 1.148 < σ < 6.015 is correct