Probability-Conditional Prob. and Independence

The Question is: Suppose that each time that you buy a car, you choose between Ford and General Motors. Suppose that each time after the first, you stay with the same company with probability 2/3 and switch with probability 1/3. If you are equally likely to choose either company for your first car, what is the probability that ...continues

Probability

The numbers 1 through 9 are written individually on nine cards. Choose three cards from the nine, letting x, y, and z denote the numbers of the cards arranged in increasing order. Please see attachment for full problem.

Probability/Statistics

In a marketing survey, consumers are asked to give their first three choices, of 9 different drinks. In how many different ways can they indicate their choices? Find the present value of an ordinary annuity with annual payments of $1,000, for 6 years, at 10% interest compounded annually. A class consists of 15 students. ...continues

Matrices

See attached problems. --- Please explain work Indicate whether the reduced row-echelon form of each augmented matrix has one solution, no solution, or infinitely solutions. ---

Finance

1. A company makes three products, A, B, and C. There are 500 pounds of raw material available. Each unit of product A requires 2 pounds of raw material, each unit of product B requires 2 pounds of raw material, and each unit of product C requires 3 pounds. The assembly line has 1,000 hours of operation available. Each unit ...continues

Equation

Problem: f(x) = (x=2)(2x-3). f(-2) = A. 0 B. 4 C. -6 D. -14

Equation

Problem: The equation of the line through (8,6) and (2,-4) is A. 5x-3y = 22 B. y=3/5x = 8/5 C. 3x=4y = 48 D. -4x = 2y = -16

Problem

An item costs &900, has a scrap value of $50, and a useful life of five years. The linear equation relating book value and number of years is: A. BV = -50x + 850 B. BV = -50x + 900 C. BV = -170x + 850 D. BV = -170x + 900

Functions

A revenue function is R(x) = 22x and a cost funcyion is C(x) = -9x + 341. The break even point is: A. (17, 374) B. (242, 9) C. (11, 242) D. (31.5, 661.5)

Linear Equation

An item costs $1300, has a scrap value of $100, and a useful life of six years. The linear Equation relating book value and number of years is: A. BV = -100x + 1300 B. BV = -100x + 1200 C. BV = -200x + 1200 D. BV = -200x + 1300