Answer:
22
Step-by-step explanation:
Answer:
There is a 95% probability that the portfolio would not loose more than 30% of its value.
Step-by-step explanation:
The confidence interval for proportions (<em>p</em>) is:

The information provided is:

For 95% confidence level the critical value of <em>z</em> is:

The 95% confidence interval for average annual return is:

The lower limit of the 95% confidence interval is -28%.
This implies that the portfolio would not loose more than 28% of its value.
Thus, there is a 95% probability that the portfolio would not loose more than 30% of its value.
Answer:
6:20
Step-by-step explanation:
There are 20 feet for the pig so that goes first and then the 6 feet of the chicken goes after since they are asking the number of feet for the pigs first and the feet of the chickens after.
Answer:
.20(7) ≤ x .20(8)
Step-by-step explanation:
let 'x' = amount of time in REM sleep
Answer:
Solutions are (6,3) and (-2,3).
Step-by-step explanation:
From the first equation given we can write:
substituting for
in the second equation given we get


∴ y=3
Putting y=3 in the first equation we get

x-2 = ±4
Hence x=6 or x=-2.