1) Is it possible to have zero pollution? If it is possible, would we want to achieve zero pollution? Explain. (4-6 sentences)

2) Consider activities like smoking or talking on a cell phone while driving. What types of externalities are associated with these examples, and what do you think should be done about these behaviors (if anything)? (4-6 sentences)

The following are the cash flows of two projects:

If the opportunity cost of capital is 11%, what is the profitability index for each project? (Do not round intermediate calculations. Round your answers to 4 decimal places.)

1. Calculate the pH of a 0.417 M aqueous solution of isoquinoline (C₉H₇N, K_b = 2.5×10^-9).

2. Calculate the pH of a 0.0351 M aqueous solution of methylamine (CH₃NH₂, K_b = 4.2×10^-4).

3. Calculate the pH of a 0.0432 M aqueous solution of the weak base diethylamine((C₂H₅)₂NH, K_b = 6.90×10^-4).

Pennsylvania has a lottery entitled “Pick 4.” To win, a player must correctly match four digits from a daily lottery in which four digits are selected.

Question #1 – What is the probability of winning if you play just one number?

Question #2 - In the Pick 4 lottery, for a bet of $100, the payoff is $5000. What is the value of winning? Is it worth it?

A computer is programmed to produce at random a single digit from the list 0, 1, 2, 3, 4, 5, 6, 7, 8 and 9. The program is run 8 times. Let Y be the number zeros that occur.i)

If Yfollows the Binomial Distributions, state two assumptions for this.

i)Calculate the values of theparameters.

ii)Calculate P(Y<4)

Manufacturing Technology

1. The effects of cutting fluids on biological considerations and the environment.

2. Find out method in face milling and end milling operation.
(i) procedure
(ii) application

3. Summarize the centerless grinding, cylindral grinding, surface grinding in 4 line.

4. What are the difference on the operation between sensitive drill press and radial drilling machine

The following are the cash flows of two projects: Year Project A Project B 0 −$ 290 −$ 290 1 170 190 2 170 190 3 170 190 4 170 If the opportunity cost of capital is 11%, what is the profitability index for each project? (Do not round intermediate calculations. Round your answers to 4 decimal places.)

The following are the cash flows of two projects: Year Project A Project B 0 ?$ 220 ?$ 220 1 100 120 2 100 120 3 100 120 4 100 If the opportunity cost of capital is 10%, what is the profitability index for each project? (Do not round intermediate calculations. Round your answers to 4 decimal places.)