A couple of years ago my son showed an interest in astronomy and we bought a 6" reflector telescope. We use it pretty regularly and have enjoyed it immensely. Lately we've both been wishing we had something bigger to be able see more things and to see what we can see now with more detail.

How do you determine the size of telescope needed to view a certain object?

I understand that there are a lot of other factors that come into play when talking about what you can see and how well you can see it. Ideally I suppose what I'm looking for is some sort of chart/table that gives a general guideline of the scope size and some of the objects that should be viewable (with an average setup).

Are there any such resources?

Binomial model Over the coming year Ragwort’s stock price will halve to $50 from its current level of $100 or it will rise to $200. The one-year interest rate is 10%.

a. What is the delta of a one-year call option on Ragwort stock with an exercise price of $100?

b. Use the replicating-portfolio method to value this call.

c. In a risk-neutral world what is the probability that Ragwort stock will rise in price?

d. Use the risk-neutral method to check your valuation of the Ragwort option.

e. If someone told you that in reality there is a 60% chance that Ragwort’s stock price will rise to $200, would you change your view about the value of the option? Explain.

1. For each of the below: (i) explain in general how they work, (ii) whether they apply to gains, losses or both, and (iii) the purpose of each:

1. Section 1245 Depreciation Recapture

2. Section 1231 Look Back Rule/Recapture

this is a research question about the economics of almond in california

What does the future look like for Almond production in the state of California given the drought condition in the state?

C++ language

Briefly explain and write the pseudocode to delete an element from the red-black tree. Include all cases for full credit.

As a pollster, you randomly called 725 voters to know their positions on a California State’s ballot proposition. Only 80% of the voters agreed to answer your questions. Of those who answered you, 264 voters favored the proposition.   

(a)[2] Explain why this situation should not be considered as the finite population case.

(b)[2] Check if the sampling distribution of the sample proportion can be approximately Normal.

(c)[3] Construct the 92% CI for the favor proportion π. Sketch the CI. State if π can be 0.50.

(d)[3] Construct the 96% CI for the favor proportion π. Sketch the CI. State if π can be 0.45. Hint: Use 5 decimal places. Use some Excel lookups for values and probabilities.

Monetary Policy

FOMC Press Release - 10/30/19

Watch the following video of Federal Reserve Chairman, Jerome Powell, presenting the findings of the last Federal Open Market Committee Meeting on October 30, 2019. You can click on the FOMC Press Conference Video, October 30, 2019, and watch about the first 10 minutes of the overall press conference in the Videos section of the Federal Reserve website.

Federal Reserve Videos (Links to an external site.)

1. What type of monetary policy are they using and why (expansionary or contractionary)? Explain.
2. What economic factors are they trying to mitigate with this policy?
3. How will the change implemented by the FOMC (Federal Open Market Committee) likely affect the macroeconomy according to the Chair?
4. Using the aggregate supply and aggregate demand model, explain the predicted impact of this monetary policy on Aggregate Demand, price level, Real GDP, and unemployment.
5. Include a correct graph (AS/AD) for this monetary policy.

The National Assessment for Educational Progress (NAEP) is a U.S. government organization that assesses the performance of students and schools at all levels across the United States. The following table presents the percentage of eighth-grade students who were found to be proficient in mathematics, and the percentage who were found to be proficient in reading in each of the ten most populous states.

a. Identify the explanatory variable (x) and the response variable (y).

Explanatory variable:

Response variable

b. Use your calculator to find the correlation coefficient ?. Based on the correlation coefficient, what can you say about the association between proficiency in reading and proficiency math?

? =

c. State the least squares regression line ?̂. (Use your calculator)

d. Within the context of the problem give an interpretation of the intercept of ?̂.

e. Find the best predicted percentage proficiency in Math for a student who has a proficiency of 70 percent in Reading.

The National Assessment for Educational Progress (NAEP) is a U.S. government organization that assesses the performance of students and schools at all levels across the United States. The following table presents the percentage of eighth-grade students who were found to be proficient in mathematics, and the percentage who were found to be proficient in reading in each of the ten most populous states.

a. Identify the explanatory variable (x) and the response variable (y). Explanatory variable: Response variable:

b. Use your calculator to find the correlation coefficient ?. Based on the correlation coefficient, what can you say about the association between proficiency in reading and proficiency math? ? =

c. State the least squares regression line ?̂. (Use your calculator) d. Within the context of the problem give an interpretation of the intercept of ?̂.

e. Find the best predicted percentage proficiency in Math for a student who has a proficiency of 70 percent in Reading.