Mathematics, 21.02.2020 18:46 jitosfc916

Let Xi be the price (in dollars) of stock i one year from now. X1 is N(15, 100) and X2 is N(20, 2025). Today I buy three shares of stock 1 for $12/share and two shares of stock

2 for $17/share. Assume that X1 and X2 are independent random variables.

a) Find the mean and variance of the value of my stocks one year from now.

b) What is the probability that one year from now I will have earned at least a 30% return on my investment?

c) If X1 and X2 were not independent, why would it be difficult to answer parts (a) and (b)?

Answers: 1

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 17:00

Which of the symbols correctly relates the two numbers below check all that apply 6? 6

Answers: 2

Answer

Mathematics, 21.06.2019 23:30

What are the coordinates of the image of p for a dilation with center (0, 0) and scale factor 2

Answers: 1

Answer

Mathematics, 22.06.2019 02:30

Graph the function =gx+2x3 and give its domain and range using interval notation.

Answers: 3

Answer

Mathematics, 22.06.2019 03:30

Adan has decided to purchase an $9000 car. he plans on putting 20% down toward the purchase and financing the rest at 7.9% interest rate for 3 years. find his monthly payment a) $225.29 b) $298.81 c) $204.78 d) $236.89

Answers: 1

Answer

You know the right answer?

Let Xi be the price (in dollars) of stock i one year from now. X1 is N(15, 100) and X2 is N(20, 2025...

Questions

Mathematics, 30.07.2019 18:20

Strange people: pat, phillip, ivana, and sarah are the first names of four strange people who are all taking courses at the university of michigan -...

Mathematics, 30.07.2019 18:20

Given nonempty sets a and b, prove that every set in p(b − a) ⊆ p(b) − p(a)....

Mathematics, 30.07.2019 18:20

Farmer is fed up with aphids and decides to use a pesticide to kill them. unfortunately the pesticidekills ladybugs at the same rate as aphids....

Mathematics, 30.07.2019 18:20

The taxes on a house assessed at $64000 are $1600 a year. if the assessment is raised to $8 and the tax rate did not change, how much would the taxes...

Mathematics, 30.07.2019 18:20

Solving the following odes: (a) y" - 2y' - 3y = 3x + 1: (b) y" - 2y'--3y = e^x;...

Mathematics, 30.07.2019 18:20

Acoin is tossed 5 times. find the probability that exactly 1 is a tail. find the probability that at most 2 are tails....

Mathematics, 30.07.2019 18:20

Solving the following odes: (a) y" - 2y' - 3y = e^-x: (b) y'" + 3y" + 3y' + y = e^-x (x - 5);...

Health, 30.07.2019 18:30

In parenteral dosing, medication isn't administered through the gastrointestinal tract. forms of administration include ophthalmic and intranasal, but...

Health, 30.07.2019 18:30

The bioavailability of a drug is affected by the a. metabolic rate of the patient. b. gastrointestinal system and absorption rates. c. measurement sys...

Mathematics, 30.07.2019 18:30

Jerry spent ¾ of his allowance on baseball cards. if he was given s20, how mch did he spend on baseball cards....

Mathematics, 30.07.2019 18:30

Prove that: \left ( a+ 2b+3c)^{2}\leq 14\left ( a^{2}+b^{2}+c^{^{2}})...

Health, 30.07.2019 18:30

If a prescription requires you to fill 0.75 grams per day for a patient but the medication label is in grains, what will your target system be? a. ap...

Mathematics, 30.07.2019 18:30

Simplify the following: 3(-3 + 5x) -1 (4 - 4x)...

Health, 30.07.2019 18:30

Which drug calculation method allows you to convert different units within your calculation? a. quantitative analysis b. ratio and proportion c. form...

Health, 30.07.2019 18:30

Pv stands for powdered volume and dv stands for diluent volume. what does fv stand for? a. first volume b. future volume c. final volume d. favored v...

Mathematics, 30.07.2019 18:30

51 a store sells two kinds of candles, scented and unscented. the scented candles burn 1/12 inch/hr. which type of candles burns faster in 1 hour and...

Health, 30.07.2019 18:30

Which of the following is the correct definition of bioavailability? a. the proportion of a drug that has an active effect because it enters the circ...

Mathematics, 30.07.2019 18:30

solve by drawing a picture. do not use algebra or the standard algorithm. you have to draw a picture. clara has two whole pizzas and 1/3 of anot...

Mathematics, 30.07.2019 18:30

You buy 8 packs of markers with 20 markers in each pack. you already had 10 markers. which equation shows how to calculate the total number of markers...

Mathematics, 30.07.2019 18:30

Simplify the following. (a) 3(-3 + 5x) - 1 (4 - 4x) (b) 3 squareroot 64 x^15 y^3 -2(-15 e^5 t/30 e^-2 t^-3)^0...

More questions: Mathematics Another questions