Investors not only desire a high return on their money but they would also like the rate of return to be stable from year to year. An investment manager invests with the goal of reducing volatility for 12 customers. Assuming the standard deviation is 2.98 percent A) construct a 90% confidence interval for the population standard deviation of the rate of return

B) construct a 95% confidence interval for the population standard deviation of the rate of return

C) construct a 99% confidence interval for the population standard deviation of the rate of return

part d

step-by-step explanation:

theresa talked her parents into getting sd cards for her phone and her brother’s phone. inserting an sd card into a phone gives it more storage. they both get 8-gigabyte sd cards. how many bits of storage come with each sd card? type your answer in both scientific and standard notation.

i have not got your picture clearly so see it once again

what are the answer choices given for this problem?

the area of a triangle is determined by the formula: base x height * 1/2

you'll need to assign a base to the triangle. based on the vertices given, the simplest base would be the line segment from (-2,1) to (2,1). the distance between any two numbers is found by just subtracting them. here, you should subtract the x values to find the distance of this side.

2 - (-2) = 4.

so the distance (aka the length of the base) is 4. the height of the triangle is the distance between the base and the highest point on the triangle which is (3,4). we should subtract the y values this time to find the height/distance.

4 - 1 = 3

so the height is 3.

base = 4

height = 3

hope this if needed hmu