Concept explainers
Let
a. Use the fact that
b. Use equation (1) and the results that
from part (a) to derive the formula
c. State in your own words the formula obtained in part (b).
d. Suppose that, for the 10th monthly payment on a loan at 1% interest per month, $100 was applied to the principal. How much of the 11th and 12th payments will be applied to the principal?
Want to see the full answer?
Check out a sample textbook solutionChapter 10 Solutions
Finite Mathematics & Its Applications (12th Edition)
- 7. Consider the function (t)=(1+|t|)e, ER. (a) Prove that is a characteristic function. (b) Prove that the corresponding distribution is absolutely continuous. (c) Prove, departing from itself, that the distribution has finite mean and variance. (d) Prove, without computation, that the mean equals 0. (e) Compute the density.arrow_forwardSo let's see, the first one is the first one, and the second one is based on the first one!!arrow_forward1. Show, by using characteristic, or moment generating functions, that if fx(x) = ½ex, -∞0 < x < ∞, then XY₁ - Y2, where Y₁ and Y2 are independent, exponentially distributed random variables.arrow_forward
- 4. In each case, sketch the closure of the set: (a) -л 0.arrow_forwardFind the volume of the parallelepiped determined by the vectors a = (3, 5, −1), ☎ = (0, 3, 1), c = (2,4,1).arrow_forward1. For each of the functions below, describe the domain of definition that is understood: 1 (a) f(z) = (b) f(z) = Arg z²+1 Z 1 (c) f(z) = (d) f(z) = 1 - | z | 2° Ans. (a) z±i; (b) Rez 0.arrow_forward
- 1. Show, by using characteristic, or moment generating functions, that if 1 fx(x): x) = ½exarrow_forward1990) 02-02 50% mesob berceus +7 What's the probability of getting more than 1 head on 10 flips of a fair coin?arrow_forwardFind the area of a triangle PQR, where P = (-5,6, -1), Q = (1, -3, -2), and R = (-5, -1,4)arrow_forward
- 9. The concentration function of a random variable X is defined as Qx(h) sup P(x≤x≤x+h), h>0. = x (a) Show that Qx+b(h) = Qx(h).arrow_forwardSuppose that you buy a lottery ticket, and you have to pick six numbers from 1 through 50 (repetitions allowed). Which combination is more likely to win: 13, 48, 17, 22, 6, 39 or 1, 2, 3, 4, 5, 6? barrow_forward44 4. Write the function f(x)=2+ ANALYTIC FUNCTIONS 1 (z = 0) Z. in the form f(z) = u(r, 0) + iv(r, 0). Ans. f(z) = = (1 + ² ) cos+ir i ( r — 1 ) sin 0. r CHAP. 2arrow_forward
- Algebra & Trigonometry with Analytic GeometryAlgebraISBN:9781133382119Author:SwokowskiPublisher:Cengage