A probability density function shows the probability for each value of X. _The variance of X must be non-negative; the variance of Y must be non-negative; hence the covariance of X and Y must be non-negative _If X is a uniformly distributed random variable, the sum of all values of f(x) over the range [a, b] must equal one.

Explain basic salts and not basic salts : Which response gives all of the members of the following list that are basic salts and none that are not basic salts? |

Determine the expected return and standard deviation : Determine the expected return and standard deviation of a two-asset portfolio comprised of Swagman and Gaslight shares, Swagman and Airspace shares, and Gaslight and Airspace shares. Assume equal weightings of each share within each portfolio. |

What is the spot exchange rate a year from now : The interest rate on one-year Canadian government securities is 6 percent and expected inflation rate for the coming year is 2 percent. The U.S. one-year government security instrument interest rate is 4 percent with expected inflation for this co.. |

Explain what is the concentration of sds : A second 5.0 mL aliquot of river water was taken, 5.0 mL of reagent, and 5.0 mL of 1.0 ppm SDS were mixed and extracted in 20 mL chloroform and the absorbance of the chloroform layer was found to be 0.286. What is the concentration of SDS? |

Determine the sum of all values of function over the range : A probability density function shows the probability for each value of X.The variance of X must be non-negative; the variance of Y must be non-negative; hence the covariance of X and Y must be non-negative _If X is a uniformly distributed random v.. |

Which exam did ross do better compared to the other students : find out where he stands in both exams. Show your work. Ross scored 80 on a statistics exam whose mean was 70 with standard deviation 5. He scored 85 on an accounting exam whose mean was 80 with standard deviation 8. |

Explain what is the sum of the coefficients : Write the balanced formula unit equation for the reaction of hydrobromic acid with magnesium hydroxide. What is the sum of the coefficients? |

Find out the ionization constant of the acid : dissolved in water to produce 25.0 mL of a solution with pH = 3.28. Determine the ionization constant of the acid. |

What is the variance of the number of calls per hour : Poisson Distribution (8 pts.) 911phone calls arrive at the rate of 30 per hour at the local call center. a. Find the probability of receiving more than two calls in a five-minute interval of time. b. Find the probability that the number of calls. |

## Is the owner of pats pizza restaurant minimizing costConsider the following information below for Pat's Pizza Restaurant and answer the questions below: Marginal Product of Capital: 4,000 Marginal Produce of Labor: 100 Wage Rate: $10 Rental Price of Pizza Ovens: $500 a) Is the owner of Pat's Pizza Rest.. |

## Calculate the elasticity of demandData for the market for graham crackers is shown below. Calculate the elasticity of demand between the following prices.Price of crackers Quantity Demanded (per month)$3 80 $2.5 120 |

## How much withdrawals made and the balance left in accountRobertson Inc. wishes to set aside lump sum money to withdraw from and invest in automating parts of its business over the next 5 years. This money is expected to earn compound interest at the rate of 10% per year. |

## What is the long-run equilibrium price in the marketSuppose that market demand is given by Q = 10 - 0.01P in which Q is the quanity of a good given in million units, and P is the price of the good given in $ per unit. In the long-run, a typical producer faces average cost AC = 9 + 2Q and marginal c.. |

## What is incremental tax rate associated with the purchaseA small manufacturing company has an estimated annual taxable income of $95,000. Due to an increase in business, the company is considering purchasing a new machine that will generate additional before-tax annual revenue of $50,000 over the next 5.. |

## Describe the firms short run labor demand problemThe firm operates in perfectly competitive market and product markets. The going price of capital (r) is $1,000 per machine per week. Moreover, the firm sells its output at the going price (p) of $1 per widget. Consider the firm's short run labor .. |

## Explain what would be the impact on the combined setupA company has an annual requirement for 150,000 parts, which cost $125 each. The parts require processing having a $4,000 setup cost. Each part occupies 0.5 sqft of floor space in the factory. Floor space has a total cost of $12.50 per square foot.. |

## Calculate the contractors profit-maximizing choice of effortA contractor has been chosen to perform a government project. To avert the moral-hazard risk that the contractor will behave inefficiently, government is considering how to use contractual incentives to avoid cost overruns. Government has a target.. |

## What are marginal and average costs per camperA privately owned summer camp for youngsters has the following data for a 12-week session. Charge per camper $480 per week Fixed costs $192,000 per session Variable cost per camper $320 per week Capacity 200 campers |

## What other factors about a house affect its priceUsing data from 1988 for houses sold in Andover, Massachusetts, from Kiel and McClain (1995), the following equation relates housing price (price) to the distance from a recently built garbage incinerator (dist): fitted log(price) = 9.40 + 0.312 l.. |

## What is the cost of entering the marketEngland, France, and Germany. If you enter the English market, you have a 0.5 chance of big success (selling 100,000 units at a per-unit profit of $8), a 0.3 chance of moderate success (selling 60,000 units at a per-unit profit of $6), and a 0.2 c.. |

## What nominal annual rate of return would you receiveA well-known industrial firm has issued $1000 bonds that carry a 4% nominal annual interest, rate paid semiannually. The bonds mature 20 years from now, at which time the industrial firm will redeem them for $1000 plus the terminal semiannual inte.. |

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